123310110137 has 2 divisors, whose sum is σ = 123310110138. Its totient is φ = 123310110136.

The previous prime is 123310110073. The next prime is 123310110149. The reversal of 123310110137 is 731011013321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122968747561 + 341362576 = 350669^2 + 18476^2 .

It is a cyclic number.

It is not a de Polignac number, because 123310110137 - 2⁶ = 123310110073 is a prime.

It is not a weakly prime, because it can be changed into another prime (123310110337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61655055068 + 61655055069.

It is an arithmetic number, because the mean of its divisors is an integer number (61655055069).

Almost surely, 2^123310110137 is an apocalyptic number.

It is an amenable number.

123310110137 is a deficient number, since it is larger than the sum of its proper divisors (1).

123310110137 is an equidigital number, since it uses as much as digits as its factorization.

123310110137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 23.

Adding to 123310110137 its reverse (731011013321), we get a palindrome (854321123458).

The spelling of 123310110137 in words is "one hundred twenty-three billion, three hundred ten million, one hundred ten thousand, one hundred thirty-seven".