23870712328 has 16 divisors (see below), whose sum is σ = 44759227500. Its totient is φ = 11934918336.

The previous prime is 23870712317. The next prime is 23870712331. The reversal of 23870712328 is 82321707832.

It can be written as a sum of positive squares in 2 ways, for example, as 19859010084 + 4011702244 = 140922^2 + 63338^2 .

It is a super-2 number, since 2×23870712328² (a number of 22 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, 381738 + ... + 439846.

Almost surely, 2^23870712328 is an apocalyptic number.

It is an amenable number.

23870712328 is a deficient number, since it is larger than the sum of its proper divisors (20888515172).

23870712328 is a wasteful number, since it uses less digits than its factorization.

23870712328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109464 (or 109460 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 23870712328 in words is "twenty-three billion, eight hundred seventy million, seven hundred twelve thousand, three hundred twenty-eight".