231323312023 has 16 divisors (see below), whose sum is σ = 235601420544. Its totient is φ = 227061480960.

The previous prime is 231323311991. The next prime is 231323312081. The reversal of 231323312023 is 320213323132.

It is not a de Polignac number, because 231323312023 - 2⁵ = 231323311991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231323382023) 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, 93387261 + ... + 93389737.

It is an arithmetic number, because the mean of its divisors is an integer number (14725088784).

Almost surely, 2^231323312023 is an apocalyptic number.

231323312023 is a deficient number, since it is larger than the sum of its proper divisors (4278108521).

231323312023 is a wasteful number, since it uses less digits than its factorization.

231323312023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5082.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 231323312023 its reverse (320213323132), we get a palindrome (551536635155).

The spelling of 231323312023 in words is "two hundred thirty-one billion, three hundred twenty-three million, three hundred twelve thousand, twenty-three".