99915270023 has 8 divisors (see below), whose sum is σ = 102058064640. Its totient is φ = 97773181240.

The previous prime is 99915270019. The next prime is 99915270041. The reversal of 99915270023 is 32007251999.

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

It is a cyclic number.

It is not a de Polignac number, because 99915270023 - 2² = 99915270019 is a prime.

It is a super-2 number, since 2×99915270023² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99915270023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99915270053) 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, 114788 + ... + 461526.

It is an arithmetic number, because the mean of its divisors is an integer number (12757258080).

Almost surely, 2^99915270023 is an apocalyptic number.

99915270023 is a deficient number, since it is larger than the sum of its proper divisors (2142794617).

99915270023 is a wasteful number, since it uses less digits than its factorization.

99915270023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352917.

The product of its (nonzero) digits is 306180, while the sum is 47.

The spelling of 99915270023 in words is "ninety-nine billion, nine hundred fifteen million, two hundred seventy thousand, twenty-three".