4531231565023 has 2 divisors, whose sum is σ = 4531231565024. Its totient is φ = 4531231565022.

The previous prime is 4531231564999. The next prime is 4531231565087. The reversal of 4531231565023 is 3205651321354.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4531231565023 - 2²¹ = 4531229467871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4531231568023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2265615782511 + 2265615782512.

It is an arithmetic number, because the mean of its divisors is an integer number (2265615782512).

Almost surely, 2^{4531231565023} is an apocalyptic number.

4531231565023 is a deficient number, since it is larger than the sum of its proper divisors (1).

4531231565023 is an equidigital number, since it uses as much as digits as its factorization.

4531231565023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324000, while the sum is 40.

Adding to 4531231565023 its reverse (3205651321354), we get a palindrome (7736882886377).

The spelling of 4531231565023 in words is "four trillion, five hundred thirty-one billion, two hundred thirty-one million, five hundred sixty-five thousand, twenty-three".