23514639772 has 24 divisors (see below), whose sum is σ = 44877022400. Its totient is φ = 10715530176.

The previous prime is 23514639767. The next prime is 23514639773. The reversal of 23514639772 is 27793641532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23514639773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2857947 + ... + 2866162.

Almost surely, 2^23514639772 is an apocalyptic number.

It is an amenable number.

23514639772 is a deficient number, since it is larger than the sum of its proper divisors (21362382628).

23514639772 is a wasteful number, since it uses less digits than its factorization.

23514639772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5724205 (or 5724203 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 49.

The spelling of 23514639772 in words is "twenty-three billion, five hundred fourteen million, six hundred thirty-nine thousand, seven hundred seventy-two".