23015147999 has 32 divisors (see below), whose sum is σ = 24775027200. Its totient is φ = 21339832320.

The previous prime is 23015147989. The next prime is 23015148011. The reversal of 23015147999 is 99974151032.

It is a cyclic number.

It is not a de Polignac number, because 23015147999 - 2²⁴ = 22998370783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23015147989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29928287 + ... + 29929055.

It is an arithmetic number, because the mean of its divisors is an integer number (774219600).

Almost surely, 2^23015147999 is an apocalyptic number.

23015147999 is a deficient number, since it is larger than the sum of its proper divisors (1759879201).

23015147999 is a wasteful number, since it uses less digits than its factorization.

23015147999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203.

The product of its (nonzero) digits is 612360, while the sum is 50.

The spelling of 23015147999 in words is "twenty-three billion, fifteen million, one hundred forty-seven thousand, nine hundred ninety-nine".