30423936 has 32 divisors (see below), whose sum is σ = 80814600. Its totient is φ = 10141184.

The previous prime is 30423907. The next prime is 30423949. The reversal of 30423936 is 63932403.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39231 + ... + 39998.

Almost surely, 2^30423936 is an apocalyptic number.

It is an amenable number.

30423936 is an abundant number, since it is smaller than the sum of its proper divisors (50390664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30423936 is an equidigital number, since it uses as much as digits as its factorization.

30423936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79246 (or 79234 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 30423936 is about 5515.7896986742. The cubic root of 30423936 is about 312.1800407285.

The spelling of 30423936 in words is "thirty million, four hundred twenty-three thousand, nine hundred thirty-six".