23113202021 has 48 divisors (see below), whose sum is σ = 29954985984. Its totient is φ = 17428986432.

The previous prime is 23113202017. The next prime is 23113202027. The reversal of 23113202021 is 12020231132.

It is not a de Polignac number, because 23113202021 - 2² = 23113202017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23113202027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8351780 + ... + 8354546.

It is an arithmetic number, because the mean of its divisors is an integer number (624062208).

Almost surely, 2^23113202021 is an apocalyptic number.

It is an amenable number.

23113202021 is a deficient number, since it is larger than the sum of its proper divisors (6841783963).

23113202021 is a wasteful number, since it uses less digits than its factorization.

23113202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130 (or 3117 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23113202021 its reverse (12020231132), we get a palindrome (35133433153).

The spelling of 23113202021 in words is "twenty-three billion, one hundred thirteen million, two hundred two thousand, twenty-one".