123340535225131 has 16 divisors (see below), whose sum is σ = 142894217560000. Its totient is φ = 104270307844608.

The previous prime is 123340535225129. The next prime is 123340535225137. The reversal of 123340535225131 is 131522535043321.

It is a cyclic number.

It is not a de Polignac number, because 123340535225131 - 2¹ = 123340535225129 is a prime.

It is a super-2 number, since 2×123340535225131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123340535225137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25816495 + ... + 30218743.

It is an arithmetic number, because the mean of its divisors is an integer number (8930888597500).

Almost surely, 2^{123340535225131} is an apocalyptic number.

123340535225131 is a deficient number, since it is larger than the sum of its proper divisors (19553682334869).

123340535225131 is an equidigital number, since it uses as much as digits as its factorization.

123340535225131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457158.

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

The spelling of 123340535225131 in words is "one hundred twenty-three trillion, three hundred forty billion, five hundred thirty-five million, two hundred twenty-five thousand, one hundred thirty-one".