23728986845 has 16 divisors (see below), whose sum is σ = 28555675200. Its totient is φ = 18929322624.

The previous prime is 23728986811. The next prime is 23728986851. The reversal of 23728986845 is 54868982732.

It is a cyclic number.

It is not a de Polignac number, because 23728986845 - 2¹² = 23728982749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4651106 + ... + 4656204.

It is an arithmetic number, because the mean of its divisors is an integer number (1784729700).

Almost surely, 2^23728986845 is an apocalyptic number.

It is an amenable number.

23728986845 is a deficient number, since it is larger than the sum of its proper divisors (4826688355).

23728986845 is a wasteful number, since it uses less digits than its factorization.

23728986845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7564.

The product of its digits is 46448640, while the sum is 62.

The spelling of 23728986845 in words is "twenty-three billion, seven hundred twenty-eight million, nine hundred eighty-six thousand, eight hundred forty-five".