23145882512 has 10 divisors (see below), whose sum is σ = 44845147398. Its totient is φ = 11572941248.

The previous prime is 23145882499. The next prime is 23145882569. The reversal of 23145882512 is 21528854132.

It can be written as a sum of positive squares in only one way, i.e., 16046808976 + 7099073536 = 126676^2 + 84256^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23145882512.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723308813 + ... + 723308844.

Almost surely, 2^23145882512 is an apocalyptic number.

It is an amenable number.

23145882512 is a deficient number, since it is larger than the sum of its proper divisors (21699264886).

23145882512 is a wasteful number, since it uses less digits than its factorization.

23145882512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446617665 (or 1446617659 counting only the distinct ones).

The product of its digits is 153600, while the sum is 41.

The spelling of 23145882512 in words is "twenty-three billion, one hundred forty-five million, eight hundred eighty-two thousand, five hundred twelve".