123375133127 has 4 divisors (see below), whose sum is σ = 123397444776. Its totient is φ = 123352821480.

The previous prime is 123375133111. The next prime is 123375133157. The reversal of 123375133127 is 721331573321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123375133127 - 2⁴ = 123375133111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123375133157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11147528 + ... + 11158589.

It is an arithmetic number, because the mean of its divisors is an integer number (30849361194).

Almost surely, 2^123375133127 is an apocalyptic number.

123375133127 is a deficient number, since it is larger than the sum of its proper divisors (22311649).

123375133127 is an equidigital number, since it uses as much as digits as its factorization.

123375133127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22311648.

The product of its digits is 79380, while the sum is 38.

The spelling of 123375133127 in words is "one hundred twenty-three billion, three hundred seventy-five million, one hundred thirty-three thousand, one hundred twenty-seven".