99423853 has 4 divisors (see below), whose sum is σ = 99532960. Its totient is φ = 99314748.

The previous prime is 99423829. The next prime is 99423859. The reversal of 99423853 is 35832499.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99423853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99423859) 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, 53175 + ... + 55012.

It is an arithmetic number, because the mean of its divisors is an integer number (24883240).

Almost surely, 2^99423853 is an apocalyptic number.

It is an amenable number.

99423853 is a deficient number, since it is larger than the sum of its proper divisors (109107).

99423853 is a wasteful number, since it uses less digits than its factorization.

99423853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109106.

The product of its digits is 233280, while the sum is 43.

The square root of 99423853 is about 9971.1510368663. The cubic root of 99423853 is about 463.2657534178.

The spelling of 99423853 in words is "ninety-nine million, four hundred twenty-three thousand, eight hundred fifty-three".