23113021021 has 8 divisors (see below), whose sum is σ = 23855588640. Its totient is φ = 22382147568.

The previous prime is 23113020961. The next prime is 23113021027. The reversal of 23113021021 is 12012031132.

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

It is not a de Polignac number, because 23113021021 - 2⁷ = 23113020893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23113020986 and 23113021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23113021027) 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, 2919526 + ... + 2927431.

It is an arithmetic number, because the mean of its divisors is an integer number (2981948580).

Almost surely, 2^23113021021 is an apocalyptic number.

It is an amenable number.

23113021021 is a deficient number, since it is larger than the sum of its proper divisors (742567619).

23113021021 is an equidigital number, since it uses as much as digits as its factorization.

23113021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5847083.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23113021021 its reverse (12012031132), we get a palindrome (35125052153).

The spelling of 23113021021 in words is "twenty-three billion, one hundred thirteen million, twenty-one thousand, twenty-one".