23165158458 has 32 divisors (see below), whose sum is σ = 49989675456. Its totient is φ = 7114099968.

The previous prime is 23165158451. The next prime is 23165158459. The reversal of 23165158458 is 85485156132.

It is not an unprimeable number, because it can be changed into a prime (23165158451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243135 + ... + 324722.

It is an arithmetic number, because the mean of its divisors is an integer number (1562177358).

Almost surely, 2^23165158458 is an apocalyptic number.

23165158458 is an abundant number, since it is smaller than the sum of its proper divisors (26824516998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23165158458 is a wasteful number, since it uses less digits than its factorization.

23165158458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568398.

The product of its digits is 1152000, while the sum is 48.

The spelling of 23165158458 in words is "twenty-three billion, one hundred sixty-five million, one hundred fifty-eight thousand, four hundred fifty-eight".