123101131203023 has 2 divisors, whose sum is σ = 123101131203024. Its totient is φ = 123101131203022.

The previous prime is 123101131203007. The next prime is 123101131203073. The reversal of 123101131203023 is 320302131101321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123101131203023 - 2⁴ = 123101131203007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123101131203023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123101131203073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61550565601511 + 61550565601512.

It is an arithmetic number, because the mean of its divisors is an integer number (61550565601512).

Almost surely, 2^{123101131203023} is an apocalyptic number.

123101131203023 is a deficient number, since it is larger than the sum of its proper divisors (1).

123101131203023 is an equidigital number, since it uses as much as digits as its factorization.

123101131203023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 123101131203023 its reverse (320302131101321), we get a palindrome (443403262304344).

The spelling of 123101131203023 in words is "one hundred twenty-three trillion, one hundred one billion, one hundred thirty-one million, two hundred three thousand, twenty-three".