99500331923 has 4 divisors (see below), whose sum is σ = 99750962880. Its totient is φ = 99249700968.

The previous prime is 99500331913. The next prime is 99500331929. The reversal of 99500331923 is 32913300599.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32913300599 = 122203 ⋅269333.

It is a cyclic number.

It is not a de Polignac number, because 99500331923 - 2²⁴ = 99483554707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99500331929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125314883 + ... + 125315676.

It is an arithmetic number, because the mean of its divisors is an integer number (24937740720).

Almost surely, 2^99500331923 is an apocalyptic number.

99500331923 is a deficient number, since it is larger than the sum of its proper divisors (250630957).

99500331923 is a wasteful number, since it uses less digits than its factorization.

99500331923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250630956.

The product of its (nonzero) digits is 196830, while the sum is 44.

The spelling of 99500331923 in words is "ninety-nine billion, five hundred million, three hundred thirty-one thousand, nine hundred twenty-three".