23523969512 has 16 divisors (see below), whose sum is σ = 44290464900. Its totient is φ = 11713178880.

The previous prime is 23523969503. The next prime is 23523969517. The reversal of 23523969512 is 21596932532.

It can be written as a sum of positive squares in 2 ways, for example, as 23236124356 + 287845156 = 152434^2 + 16966^2 .

It is not an unprimeable number, because it can be changed into a prime (23523969517) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6098687 + ... + 6102542.

Almost surely, 2^23523969512 is an apocalyptic number.

It is an amenable number.

23523969512 is a deficient number, since it is larger than the sum of its proper divisors (20766495388).

23523969512 is a wasteful number, since it uses less digits than its factorization.

23523969512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12201476 (or 12201472 counting only the distinct ones).

The product of its digits is 874800, while the sum is 47.

The spelling of 23523969512 in words is "twenty-three billion, five hundred twenty-three million, nine hundred sixty-nine thousand, five hundred twelve".