123524638427797 has 2 divisors, whose sum is σ = 123524638427798. Its totient is φ = 123524638427796.

The previous prime is 123524638427753. The next prime is 123524638427833. The reversal of 123524638427797 is 797724836425321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109249132877361 + 14275505550436 = 10452231^2 + 3778294^2 .

It is a cyclic number.

It is not a de Polignac number, because 123524638427797 - 2¹⁵ = 123524638395029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123524638427297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61762319213898 + 61762319213899.

It is an arithmetic number, because the mean of its divisors is an integer number (61762319213899).

Almost surely, 2^{123524638427797} is an apocalyptic number.

It is an amenable number.

123524638427797 is a deficient number, since it is larger than the sum of its proper divisors (1).

123524638427797 is an equidigital number, since it uses as much as digits as its factorization.

123524638427797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 853493760, while the sum is 70.

The spelling of 123524638427797 in words is "one hundred twenty-three trillion, five hundred twenty-four billion, six hundred thirty-eight million, four hundred twenty-seven thousand, seven hundred ninety-seven".