23432234440520 has 16 divisors (see below), whose sum is σ = 52722527491260. Its totient is φ = 9372893776192.

The previous prime is 23432234440469. The next prime is 23432234440613. The reversal of 23432234440520 is 2504443223432.

It can be written as a sum of positive squares in 2 ways, for example, as 23377012260484 + 55222180036 = 4834978^2 + 234994^2 .

It is a super-2 number, since 2×23432234440520² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292902930467 + ... + 292902930546.

Almost surely, 2^{23432234440520} is an apocalyptic number.

23432234440520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23432234440520 is an abundant number, since it is smaller than the sum of its proper divisors (29290293050740).

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

23432234440520 is a wasteful number, since it uses less digits than its factorization.

23432234440520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585805861024 (or 585805861020 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 38.

Adding to 23432234440520 its reverse (2504443223432), we get a palindrome (25936677663952).

The spelling of 23432234440520 in words is "twenty-three trillion, four hundred thirty-two billion, two hundred thirty-four million, four hundred forty thousand, five hundred twenty".