99423345 has 32 divisors (see below), whose sum is σ = 182603520. Its totient is φ = 45250560.

The previous prime is 99423323. The next prime is 99423391. The reversal of 99423345 is 54332499.

It is not a de Polignac number, because 99423345 - 2⁹ = 99422833 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23341 + ... + 27269.

It is an arithmetic number, because the mean of its divisors is an integer number (5706360).

Almost surely, 2^99423345 is an apocalyptic number.

It is an amenable number.

99423345 is a deficient number, since it is larger than the sum of its proper divisors (83180175).

99423345 is a wasteful number, since it uses less digits than its factorization.

99423345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4185.

The product of its digits is 116640, while the sum is 39.

The square root of 99423345 is about 9971.1255633454. The cubic root of 99423345 is about 463.2649644073.

The spelling of 99423345 in words is "ninety-nine million, four hundred twenty-three thousand, three hundred forty-five".