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23020201121 = 165191393559
BaseRepresentation
bin10101011100000111…
…000110010010100001
32012102022120101022112
4111130013012102201
5334121132413441
614324134445105
71443314323661
oct253407062241
965368511275
1023020201121
119843337905
124565503795
13222b312ca8
14118546a1a1
158eaea04eb
hex55c1c64a1

23020201121 has 4 divisors (see below), whose sum is σ = 23021611200. Its totient is φ = 23018791044.

The previous prime is 23020201091. The next prime is 23020201201. The reversal of 23020201121 is 12110202032.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23020201121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23020201096 and 23020201105.

It is not an unprimeable number, because it can be changed into a prime (23020200121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680261 + ... + 713298.

It is an arithmetic number, because the mean of its divisors is an integer number (5755402800).

Almost surely, 223020201121 is an apocalyptic number.

It is an amenable number.

23020201121 is a deficient number, since it is larger than the sum of its proper divisors (1410079).

23020201121 is a wasteful number, since it uses less digits than its factorization.

23020201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410078.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 23020201121 its reverse (12110202032), we get a palindrome (35130403153).

It can be divided in two parts, 230202011 and 21, that added together give a palindrome (230202032).

The spelling of 23020201121 in words is "twenty-three billion, twenty million, two hundred one thousand, one hundred twenty-one".

Divisors: 1 16519 1393559 23020201121