99923373 has 18 divisors (see below), whose sum is σ = 158649582. Its totient is φ = 60558960.

The previous prime is 99923371. The next prime is 99923381. The reversal of 99923373 is 37332999.

It can be written as a sum of positive squares in only one way, i.e., 98664489 + 1258884 = 9933^2 + 1122^2 .

It is not a de Polignac number, because 99923373 - 2¹ = 99923371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99923371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 44790 + ... + 46967.

Almost surely, 2^99923373 is an apocalyptic number.

It is an amenable number.

99923373 is a deficient number, since it is larger than the sum of its proper divisors (58726209).

99923373 is a wasteful number, since it uses less digits than its factorization.

99923373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91785 (or 91771 counting only the distinct ones).

The product of its digits is 275562, while the sum is 45.

The square root of 99923373 is about 9996.1679157565. The cubic root of 99923373 is about 464.0402960570.

The spelling of 99923373 in words is "ninety-nine million, nine hundred twenty-three thousand, three hundred seventy-three".