123375917 has 4 divisors (see below), whose sum is σ = 141001056. Its totient is φ = 105750780.

The previous prime is 123375907. The next prime is 123375961. The reversal of 123375917 is 719573321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 719573321 = 5399 ⋅133279.

It is a cyclic number.

It is not a de Polignac number, because 123375917 - 2¹⁰ = 123374893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123375907) 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, 8812559 + ... + 8812572.

It is an arithmetic number, because the mean of its divisors is an integer number (35250264).

Almost surely, 2^123375917 is an apocalyptic number.

It is an amenable number.

123375917 is a deficient number, since it is larger than the sum of its proper divisors (17625139).

123375917 is an equidigital number, since it uses as much as digits as its factorization.

123375917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17625138.

The product of its digits is 39690, while the sum is 38.

The square root of 123375917 is about 11107.4712243607. The cubic root of 123375917 is about 497.8251094187.

The spelling of 123375917 in words is "one hundred twenty-three million, three hundred seventy-five thousand, nine hundred seventeen".