231650923 has 4 divisors (see below), whose sum is σ = 264743920. Its totient is φ = 198557928.

The previous prime is 231650899. The next prime is 231650953. The reversal of 231650923 is 329056132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231650923 - 2¹⁷ = 231519851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231650953) 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, 16546488 + ... + 16546501.

It is an arithmetic number, because the mean of its divisors is an integer number (66185980).

Almost surely, 2^231650923 is an apocalyptic number.

231650923 is a deficient number, since it is larger than the sum of its proper divisors (33092997).

231650923 is an equidigital number, since it uses as much as digits as its factorization.

231650923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33092996.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 231650923 is about 15220.0828841370. The cubic root of 231650923 is about 614.1550279280.

The spelling of 231650923 in words is "two hundred thirty-one million, six hundred fifty thousand, nine hundred twenty-three".