123545035225231 has 2 divisors, whose sum is σ = 123545035225232. Its totient is φ = 123545035225230.

The previous prime is 123545035225211. The next prime is 123545035225289. The reversal of 123545035225231 is 132522530545321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123545035225231 - 2²⁵ = 123545001670799 is a prime.

It is a super-2 number, since 2×123545035225231² (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 (123545035225211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61772517612615 + 61772517612616.

It is an arithmetic number, because the mean of its divisors is an integer number (61772517612616).

Almost surely, 2^{123545035225231} is an apocalyptic number.

123545035225231 is a deficient number, since it is larger than the sum of its proper divisors (1).

123545035225231 is an equidigital number, since it uses as much as digits as its factorization.

123545035225231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 123545035225231 in words is "one hundred twenty-three trillion, five hundred forty-five billion, thirty-five million, two hundred twenty-five thousand, two hundred thirty-one".