231011231023 has 2 divisors, whose sum is σ = 231011231024. Its totient is φ = 231011231022.

The previous prime is 231011230973. The next prime is 231011231039. The reversal of 231011231023 is 320132110132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231011231023 - 2²⁹ = 230474360111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231011231323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115505615511 + 115505615512.

It is an arithmetic number, because the mean of its divisors is an integer number (115505615512).

Almost surely, 2^231011231023 is an apocalyptic number.

231011231023 is a deficient number, since it is larger than the sum of its proper divisors (1).

231011231023 is an equidigital number, since it uses as much as digits as its factorization.

231011231023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 231011231023 its reverse (320132110132), we get a palindrome (551143341155).

The spelling of 231011231023 in words is "two hundred thirty-one billion, eleven million, two hundred thirty-one thousand, twenty-three".