99540723 has 8 divisors (see below), whose sum is σ = 132784528. Its totient is φ = 66328704.

The previous prime is 99540719. The next prime is 99540773. The reversal of 99540723 is 32704599.

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

It is not a de Polignac number, because 99540723 - 2² = 99540719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99540713) 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, 711 + ... + 14127.

It is an arithmetic number, because the mean of its divisors is an integer number (16598066).

Almost surely, 2^99540723 is an apocalyptic number.

99540723 is a deficient number, since it is larger than the sum of its proper divisors (33243805).

99540723 is a wasteful number, since it uses less digits than its factorization.

99540723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15893.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 99540723 is about 9977.0097223567. The cubic root of 99540723 is about 463.4472010508.

The spelling of 99540723 in words is "ninety-nine million, five hundred forty thousand, seven hundred twenty-three".