23187402667 has 12 divisors (see below), whose sum is σ = 27447518560. Its totient is φ = 19457958960.

The previous prime is 23187402593. The next prime is 23187402677. The reversal of 23187402667 is 76620478132.

It is not a de Polignac number, because 23187402667 - 2¹⁵ = 23187369899 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (23187402677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7368867 + ... + 7372012.

Almost surely, 2^23187402667 is an apocalyptic number.

23187402667 is a deficient number, since it is larger than the sum of its proper divisors (4260115893).

23187402667 is a wasteful number, since it uses less digits than its factorization.

23187402667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14740914 (or 14740903 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 23187402667 in words is "twenty-three billion, one hundred eighty-seven million, four hundred two thousand, six hundred sixty-seven".