30874923 has 6 divisors (see below), whose sum is σ = 44597124. Its totient is φ = 20583276.

The previous prime is 30874919. The next prime is 30874933. The reversal of 30874923 is 32947803.

It is not a de Polignac number, because 30874923 - 2² = 30874919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30874913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1715265 + ... + 1715282.

It is an arithmetic number, because the mean of its divisors is an integer number (7432854).

Almost surely, 2^30874923 is an apocalyptic number.

30874923 is a deficient number, since it is larger than the sum of its proper divisors (13722201).

30874923 is a wasteful number, since it uses less digits than its factorization.

30874923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430553 (or 3430550 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 30874923 is about 5556.5207639313. The cubic root of 30874923 is about 313.7150070760.

The spelling of 30874923 in words is "thirty million, eight hundred seventy-four thousand, nine hundred twenty-three".