123518965376041 has 2 divisors, whose sum is σ = 123518965376042. Its totient is φ = 123518965376040.

The previous prime is 123518965376021. The next prime is 123518965376099. The reversal of 123518965376041 is 140673569815321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79349702544025 + 44169262832016 = 8907845^2 + 6645996^2 .

It is a cyclic number.

It is not a de Polignac number, because 123518965376041 - 2¹⁵ = 123518965343273 is a prime.

It is not a weakly prime, because it can be changed into another prime (123518965376021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61759482688020 + 61759482688021.

It is an arithmetic number, because the mean of its divisors is an integer number (61759482688021).

It is a 1-persistent number, because it is pandigital, but 2⋅123518965376041 = 247037930752082 is not.

Almost surely, 2^{123518965376041} is an apocalyptic number.

It is an amenable number.

123518965376041 is a deficient number, since it is larger than the sum of its proper divisors (1).

123518965376041 is an equidigital number, since it uses as much as digits as its factorization.

123518965376041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32659200, while the sum is 61.

The spelling of 123518965376041 in words is "one hundred twenty-three trillion, five hundred eighteen billion, nine hundred sixty-five million, three hundred seventy-six thousand, forty-one".