30231923 has 8 divisors (see below), whose sum is σ = 31235088. Its totient is φ = 29238624.

The previous prime is 30231917. The next prime is 30231937. The reversal of 30231923 is 32913203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30231923 - 2⁸ = 30231667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30231953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4040 + ... + 8762.

It is an arithmetic number, because the mean of its divisors is an integer number (3904386).

Almost surely, 2^30231923 is an apocalyptic number.

30231923 is a deficient number, since it is larger than the sum of its proper divisors (1003165).

30231923 is a wasteful number, since it uses less digits than its factorization.

30231923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4933.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 30231923 is about 5498.3563907772. The cubic root of 30231923 is about 311.5219056948.

The spelling of 30231923 in words is "thirty million, two hundred thirty-one thousand, nine hundred twenty-three".