123303102137 has 2 divisors, whose sum is σ = 123303102138. Its totient is φ = 123303102136.

The previous prime is 123303102061. The next prime is 123303102157. The reversal of 123303102137 is 731201303321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100086180496 + 23216921641 = 316364^2 + 152371^2 .

It is a cyclic number.

It is not a de Polignac number, because 123303102137 - 2²⁴ = 123286324921 is a prime.

It is not a weakly prime, because it can be changed into another prime (123303102157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61651551068 + 61651551069.

It is an arithmetic number, because the mean of its divisors is an integer number (61651551069).

Almost surely, 2^123303102137 is an apocalyptic number.

It is an amenable number.

123303102137 is a deficient number, since it is larger than the sum of its proper divisors (1).

123303102137 is an equidigital number, since it uses as much as digits as its factorization.

123303102137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 26.

Adding to 123303102137 its reverse (731201303321), we get a palindrome (854504405458).

The spelling of 123303102137 in words is "one hundred twenty-three billion, three hundred three million, one hundred two thousand, one hundred thirty-seven".