23431533442452 has 36 divisors (see below), whose sum is σ = 59315425530816. Its totient is φ = 7799207939280.

The previous prime is 23431533442433. The next prime is 23431533442549. The reversal of 23431533442452 is 25424433513432.

23431533442452 is a `hidden beast` number, since 2 + 3 + 4 + 3 + 1 + 533 + 44 + 24 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 23431533442398 and 23431533442407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 470941788 + ... + 470991539.

Almost surely, 2^{23431533442452} is an apocalyptic number.

It is an amenable number.

23431533442452 is an abundant number, since it is smaller than the sum of its proper divisors (35883892088364).

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

23431533442452 is a wasteful number, since it uses less digits than its factorization.

23431533442452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941934028 (or 941934023 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 45.

Adding to 23431533442452 its reverse (25424433513432), we get a palindrome (48855966955884).

The spelling of 23431533442452 in words is "twenty-three trillion, four hundred thirty-one billion, five hundred thirty-three million, four hundred forty-two thousand, four hundred fifty-two".