23021655651332 has 24 divisors (see below), whose sum is σ = 43387877969856. Its totient is φ = 10625156294688.

The previous prime is 23021655651299. The next prime is 23021655651341. The reversal of 23021655651332 is 23315655612032.

It is a happy number.

It is a super-2 number, since 2×23021655651332² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2139008 + ... + 7114679.

It is an arithmetic number, because the mean of its divisors is an integer number (1807828248744).

Almost surely, 2^{23021655651332} is an apocalyptic number.

It is an amenable number.

23021655651332 is a deficient number, since it is larger than the sum of its proper divisors (20366222318524).

23021655651332 is a wasteful number, since it uses less digits than its factorization.

23021655651332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9301547 (or 9301545 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 44.

The spelling of 23021655651332 in words is "twenty-three trillion, twenty-one billion, six hundred fifty-five million, six hundred fifty-one thousand, three hundred thirty-two".