137107123 has 2 divisors, whose sum is σ = 137107124. Its totient is φ = 137107122.

The previous prime is 137107073. The next prime is 137107127. The reversal of 137107123 is 321701731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137107123 - 2¹⁷ = 136976051 is a prime.

It is not a weakly prime, because it can be changed into another prime (137107127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68553561 + 68553562.

It is an arithmetic number, because the mean of its divisors is an integer number (68553562).

Almost surely, 2^137107123 is an apocalyptic number.

137107123 is a deficient number, since it is larger than the sum of its proper divisors (1).

137107123 is an equidigital number, since it uses as much as digits as its factorization.

137107123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 137107123 is about 11709.2750843082. The cubic root of 137107123 is about 515.6480019760.

Adding to 137107123 its reverse (321701731), we get a palindrome (458808854).

The spelling of 137107123 in words is "one hundred thirty-seven million, one hundred seven thousand, one hundred twenty-three".