231001333101023 has 2 divisors, whose sum is σ = 231001333101024. Its totient is φ = 231001333101022.

The previous prime is 231001333101013. The next prime is 231001333101047. The reversal of 231001333101023 is 320101333100132.

231001333101023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231001333101023 - 2⁴² = 226603286589919 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231001333101023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231001333101013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115500666550511 + 115500666550512.

It is an arithmetic number, because the mean of its divisors is an integer number (115500666550512).

Almost surely, 2^{231001333101023} is an apocalyptic number.

231001333101023 is a deficient number, since it is larger than the sum of its proper divisors (1).

231001333101023 is an equidigital number, since it uses as much as digits as its factorization.

231001333101023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 231001333101023 its reverse (320101333100132), we get a palindrome (551102666201155).

The spelling of 231001333101023 in words is "two hundred thirty-one trillion, one billion, three hundred thirty-three million, one hundred one thousand, twenty-three".