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23343434200420 = 22517137501147149
BaseRepresentation
bin1010100111011000100010…
…00110100111010101100100
310001122121111001202210200121
411103230101012213111210
511024424323123403140
6121351454200251324
74626336026561305
oct523542106472544
9101577431683617
1023343434200420
11748a993053714
122750144a70b44
131004379333739
145a9b849b47ac
152a7339ed164a
hex153b111a7564

23343434200420 has 48 divisors (see below), whose sum is σ = 52283679865200. Its totient is φ = 8723969552384.

The previous prime is 23343434200409. The next prime is 23343434200421. The reversal of 23343434200420 is 2400243434332.

It can be written as a sum of positive squares in 8 ways, for example, as 1132347117924 + 22211087082496 = 1064118^2 + 4712864^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (23343434200421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250526995 + ... + 250620154.

It is an arithmetic number, because the mean of its divisors is an integer number (1089243330525).

Almost surely, 223343434200420 is an apocalyptic number.

23343434200420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23343434200420 is an abundant number, since it is smaller than the sum of its proper divisors (28940245664780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23343434200420 is a wasteful number, since it uses less digits than its factorization.

23343434200420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501147312 (or 501147310 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 34.

Adding to 23343434200420 its reverse (2400243434332), we get a palindrome (25743677634752).

The spelling of 23343434200420 in words is "twenty-three trillion, three hundred forty-three billion, four hundred thirty-four million, two hundred thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 137 170 274 340 548 685 1370 2329 2740 4658 9316 11645 23290 46580 501147149 1002294298 2004588596 2505735745 5011471490 8519501533 10022942980 17039003066 34078006132 42597507665 68657159413 85195015330 137314318826 170390030660 274628637652 343285797065 686571594130 1167171710021 1373143188260 2334343420042 4668686840084 5835858550105 11671717100210 23343434200420