23375631687 has 4 divisors (see below), whose sum is σ = 31167508920. Its totient is φ = 15583754456.

The previous prime is 23375631667. The next prime is 23375631691. The reversal of 23375631687 is 78613657332.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23375631687 - 2¹⁴ = 23375615303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23375631647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3895938612 + ... + 3895938617.

It is an arithmetic number, because the mean of its divisors is an integer number (7791877230).

Almost surely, 2^23375631687 is an apocalyptic number.

23375631687 is a deficient number, since it is larger than the sum of its proper divisors (7791877233).

23375631687 is an equidigital number, since it uses as much as digits as its factorization.

23375631687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7791877232.

The product of its digits is 3810240, while the sum is 51.

The spelling of 23375631687 in words is "twenty-three billion, three hundred seventy-five million, six hundred thirty-one thousand, six hundred eighty-seven".