23351055551021 has 48 divisors (see below), whose sum is σ = 27392276907072. Its totient is φ = 19731736358400.

The previous prime is 23351055550969. The next prime is 23351055551053. The reversal of 23351055551021 is 12015555015332.

It is not a de Polignac number, because 23351055551021 - 2³⁰ = 23349981809197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23351055551071) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29065301 + ... + 29857893.

It is an arithmetic number, because the mean of its divisors is an integer number (570672435564).

Almost surely, 2^{23351055551021} is an apocalyptic number.

It is an amenable number.

23351055551021 is a deficient number, since it is larger than the sum of its proper divisors (4041221356051).

23351055551021 is a wasteful number, since it uses less digits than its factorization.

23351055551021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792794 (or 792771 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 23351055551021 in words is "twenty-three trillion, three hundred fifty-one billion, fifty-five million, five hundred fifty-one thousand, twenty-one".