231550023 has 16 divisors (see below), whose sum is σ = 311702400. Its totient is φ = 152888736.

The previous prime is 231550021. The next prime is 231550031. The reversal of 231550023 is 320055132.

It is not a de Polignac number, because 231550023 - 2¹ = 231550021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231550021) 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, 244036 + ... + 244982.

It is an arithmetic number, because the mean of its divisors is an integer number (19481400).

Almost surely, 2^231550023 is an apocalyptic number.

231550023 is a deficient number, since it is larger than the sum of its proper divisors (80152377).

231550023 is a wasteful number, since it uses less digits than its factorization.

231550023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 231550023 is about 15216.7678236871. The cubic root of 231550023 is about 614.0658459801.

The spelling of 231550023 in words is "two hundred thirty-one million, five hundred fifty thousand, twenty-three".