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23230013230021 = 133644474903111
BaseRepresentation
bin1010100100000101010001…
…01011111100101111000101
310001020202201120012112011011
411102002220223330233011
511021100031341330041
6121223415403242221
74615212245333233
oct522025053745705
9101222646175134
1023230013230021
11744687a954944
122732170519371
13cc677217a9c0
145a44a5325953
152a43ec8dce81
hex1520a8afcbc5

23230013230021 has 8 divisors (see below), whose sum is σ = 25017011070464. Its totient is φ = 21443025924720.

The previous prime is 23230013230013. The next prime is 23230013230031. The reversal of 23230013230021 is 12003231003232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23230013230021 - 23 = 23230013230013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23230013229974 and 23230013230001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23230013230001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2286256 + ... + 7189366.

It is an arithmetic number, because the mean of its divisors is an integer number (3127126383808).

Almost surely, 223230013230021 is an apocalyptic number.

It is an amenable number.

23230013230021 is a deficient number, since it is larger than the sum of its proper divisors (1786997840443).

23230013230021 is a wasteful number, since it uses less digits than its factorization.

23230013230021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5267571.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23230013230021 its reverse (12003231003232), we get a palindrome (35233244233253).

The spelling of 23230013230021 in words is "twenty-three trillion, two hundred thirty billion, thirteen million, two hundred thirty thousand, twenty-one".

Divisors: 1 13 364447 4737811 4903111 63740443 1786924094617 23230013230021