121231011233023 has 2 divisors, whose sum is σ = 121231011233024. Its totient is φ = 121231011233022.

The previous prime is 121231011232939. The next prime is 121231011233083. The reversal of 121231011233023 is 320332110132121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121231011233023 - 2²¹ = 121231009135871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121231011233083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60615505616511 + 60615505616512.

It is an arithmetic number, because the mean of its divisors is an integer number (60615505616512).

Almost surely, 2^{121231011233023} is an apocalyptic number.

121231011233023 is a deficient number, since it is larger than the sum of its proper divisors (1).

121231011233023 is an equidigital number, since it uses as much as digits as its factorization.

121231011233023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 121231011233023 its reverse (320332110132121), we get a palindrome (441563121365144).

The spelling of 121231011233023 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, eleven million, two hundred thirty-three thousand, twenty-three".