23987688147 has 24 divisors (see below), whose sum is σ = 34733185344. Its totient is φ = 15952938624.

The previous prime is 23987688079. The next prime is 23987688181. The reversal of 23987688147 is 74188678932.

It is not a de Polignac number, because 23987688147 - 2⁷ = 23987688019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23987688047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10441903 + ... + 10444199.

It is an arithmetic number, because the mean of its divisors is an integer number (1447216056).

Almost surely, 2^23987688147 is an apocalyptic number.

23987688147 is a deficient number, since it is larger than the sum of its proper divisors (10745497197).

23987688147 is a wasteful number, since it uses less digits than its factorization.

23987688147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4619 (or 4616 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 63.

The spelling of 23987688147 in words is "twenty-three billion, nine hundred eighty-seven million, six hundred eighty-eight thousand, one hundred forty-seven".