23113010021 has 8 divisors (see below), whose sum is σ = 23406504000. Its totient is φ = 22821289920.

The previous prime is 23113009999. The next prime is 23113010051. The reversal of 23113010021 is 12001031132.

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

It is a de Polignac number, because none of the positive numbers 2^k-23113010021 is a prime.

It is a super-2 number, since 2×23113010021² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23113009978 and 23113010005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23113010051) 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, 417236 + ... + 469373.

It is an arithmetic number, because the mean of its divisors is an integer number (2925813000).

Almost surely, 2^23113010021 is an apocalyptic number.

It is an amenable number.

23113010021 is a deficient number, since it is larger than the sum of its proper divisors (293493979).

23113010021 is a wasteful number, since it uses less digits than its factorization.

23113010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886939.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 23113010021 its reverse (12001031132), we get a palindrome (35114041153).

The spelling of 23113010021 in words is "twenty-three billion, one hundred thirteen million, ten thousand, twenty-one".