23431312452 has 24 divisors (see below), whose sum is σ = 54956347936. Its totient is φ = 7769968128.

The previous prime is 23431312441. The next prime is 23431312477. The reversal of 23431312452 is 25421313432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5056258 + ... + 5060889.

Almost surely, 2^23431312452 is an apocalyptic number.

It is an amenable number.

23431312452 is an abundant number, since it is smaller than the sum of its proper divisors (31525035484).

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

23431312452 is a wasteful number, since it uses less digits than its factorization.

23431312452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10117347 (or 10117345 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

Adding to 23431312452 its reverse (25421313432), we get a palindrome (48852625884).

The spelling of 23431312452 in words is "twenty-three billion, four hundred thirty-one million, three hundred twelve thousand, four hundred fifty-two".