123124315663 has 2 divisors, whose sum is σ = 123124315664. Its totient is φ = 123124315662.

The previous prime is 123124315621. The next prime is 123124315687. The reversal of 123124315663 is 366513421321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123124315663 - 2⁹ = 123124315151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123124315163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61562157831 + 61562157832.

It is an arithmetic number, because the mean of its divisors is an integer number (61562157832).

Almost surely, 2^123124315663 is an apocalyptic number.

123124315663 is a deficient number, since it is larger than the sum of its proper divisors (1).

123124315663 is an equidigital number, since it uses as much as digits as its factorization.

123124315663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 37.

Adding to 123124315663 its reverse (366513421321), we get a palindrome (489637736984).

The spelling of 123124315663 in words is "one hundred twenty-three billion, one hundred twenty-four million, three hundred fifteen thousand, six hundred sixty-three".