23281288218232 has 64 divisors (see below), whose sum is σ = 49520835993600. Its totient is φ = 10163998320000.

The previous prime is 23281288218229. The next prime is 23281288218269.

23281288218232 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×23281288218232² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23281288218232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23394144 + ... + 24369007.

It is an arithmetic number, because the mean of its divisors is an integer number (773763062400).

Almost surely, 2^{23281288218232} is an apocalyptic number.

23281288218232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23281288218232 is an abundant number, since it is smaller than the sum of its proper divisors (26239547775368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23281288218232 is a wasteful number, since it uses less digits than its factorization.

23281288218232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47763388 (or 47763384 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 52.

The spelling of 23281288218232 in words is "twenty-three trillion, two hundred eighty-one billion, two hundred eighty-eight million, two hundred eighteen thousand, two hundred thirty-two".