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23344023302440 = 2351734329446033
BaseRepresentation
bin1010100111011001101000…
…01101110111000100101000
310001122200000010021021201221
411103230310031313010220
511024432024431134230
6121352032442551424
74626356442061021
oct523546415670450
9101580003237657
1023344023302440
117490165638795
12275028a208574
1310044413b4b09
145a9bdcd21c48
152a7371a9a27a
hex153b34377128

23344023302440 has 32 divisors (see below), whose sum is σ = 55613702575080. Its totient is φ = 8788338184192.

The previous prime is 23344023302377. The next prime is 23344023302497. The reversal of 23344023302440 is 4420332044332.

It can be written as a sum of positive squares in 4 ways, for example, as 20129525720836 + 3214497581604 = 4486594^2 + 1792902^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 23344023302396 and 23344023302405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17164722337 + ... + 17164723696.

Almost surely, 223344023302440 is an apocalyptic number.

23344023302440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23344023302440 is an abundant number, since it is smaller than the sum of its proper divisors (32269679272640).

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

23344023302440 is a wasteful number, since it uses less digits than its factorization.

23344023302440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34329446061 (or 34329446057 counting only the distinct ones).

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

Adding to 23344023302440 its reverse (4420332044332), we get a palindrome (27764355346772).

The spelling of 23344023302440 in words is "twenty-three trillion, three hundred forty-four billion, twenty-three million, three hundred two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 34329446033 68658892066 137317784132 171647230165 274635568264 343294460330 583600582561 686588920660 1167201165122 1373177841320 2334402330244 2918002912805 4668804660488 5836005825610 11672011651220 23344023302440