23001113021 has 4 divisors (see below), whose sum is σ = 23005183200. Its totient is φ = 22997042844.

The previous prime is 23001112963. The next prime is 23001113063. The reversal of 23001113021 is 12031110032.

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 not a de Polignac number, because 23001113021 - 2⁶ = 23001112957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23001112987 and 23001113005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23001113071) 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, 2026601 + ... + 2037918.

It is an arithmetic number, because the mean of its divisors is an integer number (5751295800).

Almost surely, 2^23001113021 is an apocalyptic number.

It is an amenable number.

23001113021 is a deficient number, since it is larger than the sum of its proper divisors (4070179).

23001113021 is an equidigital number, since it uses as much as digits as its factorization.

23001113021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070178.

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

Adding to 23001113021 its reverse (12031110032), we get a palindrome (35032223053).

The spelling of 23001113021 in words is "twenty-three billion, one million, one hundred thirteen thousand, twenty-one".