99915023 has 8 divisors (see below), whose sum is σ = 109207728. Its totient is φ = 90851904.

The previous prime is 99914999. The next prime is 99915029. The reversal of 99915023 is 32051999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99915023 - 2¹⁴ = 99898639 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 (99915029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56486 + ... + 58227.

It is an arithmetic number, because the mean of its divisors is an integer number (13650966).

Almost surely, 2^99915023 is an apocalyptic number.

99915023 is a deficient number, since it is larger than the sum of its proper divisors (9292705).

99915023 is a wasteful number, since it uses less digits than its factorization.

99915023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114793.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 99915023 is about 9995.7502469800. The cubic root of 99915023 is about 464.0273700041.

The spelling of 99915023 in words is "ninety-nine million, nine hundred fifteen thousand, twenty-three".