123376563 has 12 divisors (see below), whose sum is σ = 179615488. Its totient is φ = 81602640.

The previous prime is 123376549. The next prime is 123376567. The reversal of 123376563 is 365673321.

123376563 is a `hidden beast` number, since 1 + 23 + 3 + 76 + 563 = 666.

It is not a de Polignac number, because 123376563 - 2⁹ = 123376051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123376567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52828 + ... + 55113.

Almost surely, 2^123376563 is an apocalyptic number.

123376563 is a deficient number, since it is larger than the sum of its proper divisors (56238925).

123376563 is a wasteful number, since it uses less digits than its factorization.

123376563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108074 (or 108071 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 123376563 is about 11107.5003038487. The cubic root of 123376563 is about 497.8259782929.

The spelling of 123376563 in words is "one hundred twenty-three million, three hundred seventy-six thousand, five hundred sixty-three".