100423239 has 16 divisors (see below), whose sum is σ = 154748160. Its totient is φ = 56738880.

The previous prime is 100423231. The next prime is 100423241. The reversal of 100423239 is 932324001.

It is not a de Polignac number, because 100423239 - 2³ = 100423231 is a prime.

It is a super-2 number, since 2×100423239² = 20169653862502242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100423231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24997 + ... + 28734.

It is an arithmetic number, because the mean of its divisors is an integer number (9671760).

Almost surely, 2^100423239 is an apocalyptic number.

100423239 is a deficient number, since it is larger than the sum of its proper divisors (54324921).

100423239 is an equidigital number, since it uses as much as digits as its factorization.

100423239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53830.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 100423239 is about 10021.1396058532. The cubic root of 100423239 is about 464.8127954955.

The spelling of 100423239 in words is "one hundred million, four hundred twenty-three thousand, two hundred thirty-nine".