23100030987 has 24 divisors (see below), whose sum is σ = 34574926848. Its totient is φ = 13702135920.

The previous prime is 23100030971. The next prime is 23100031027. The reversal of 23100030987 is 78903000132.

It is not a de Polignac number, because 23100030987 - 2⁴ = 23100030971 is a prime.

It is a super-2 number, since 2×23100030987² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (23100030907) 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, 659923 + ... + 694044.

It is an arithmetic number, because the mean of its divisors is an integer number (1440621952).

Almost surely, 2^23100030987 is an apocalyptic number.

23100030987 is a deficient number, since it is larger than the sum of its proper divisors (11474895861).

23100030987 is a wasteful number, since it uses less digits than its factorization.

23100030987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354039 (or 1354028 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The spelling of 23100030987 in words is "twenty-three billion, one hundred million, thirty thousand, nine hundred eighty-seven".