400023422323032 has 32 divisors (see below), whose sum is σ = 1018927585165680. Its totient is φ = 130825270193280.

The previous prime is 400023422323009. The next prime is 400023422323043. The reversal of 400023422323032 is 230323224320004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157241910019 + ... + 157241912562.

Almost surely, 2^{400023422323032} is an apocalyptic number.

It is an amenable number.

400023422323032 is an abundant number, since it is smaller than the sum of its proper divisors (618904162842648).

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

400023422323032 is a wasteful number, since it uses less digits than its factorization.

400023422323032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314483822643 (or 314483822639 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 400023422323032 its reverse (230323224320004), we get a palindrome (630346646643036).

The spelling of 400023422323032 in words is "four hundred trillion, twenty-three billion, four hundred twenty-two million, three hundred twenty-three thousand, thirty-two".