123542500341031 has 2 divisors, whose sum is σ = 123542500341032. Its totient is φ = 123542500341030.

The previous prime is 123542500340933. The next prime is 123542500341037. The reversal of 123542500341031 is 130143005245321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123542500341031 - 2³⁵ = 123508140602663 is a prime.

It is a super-2 number, since 2×123542500341031² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123542500341037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61771250170515 + 61771250170516.

It is an arithmetic number, because the mean of its divisors is an integer number (61771250170516).

Almost surely, 2^{123542500341031} is an apocalyptic number.

123542500341031 is a deficient number, since it is larger than the sum of its proper divisors (1).

123542500341031 is an equidigital number, since it uses as much as digits as its factorization.

123542500341031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 123542500341031 its reverse (130143005245321), we get a palindrome (253685505586352).

The spelling of 123542500341031 in words is "one hundred twenty-three trillion, five hundred forty-two billion, five hundred million, three hundred forty-one thousand, thirty-one".