123774911361 has 12 divisors (see below), whose sum is σ = 188195771920. Its totient is φ = 78173628120.

The previous prime is 123774911341. The next prime is 123774911371. The reversal of 123774911361 is 163119477321.

123774911361 is a `hidden beast` number, since 1 + 23 + 7 + 7 + 491 + 136 + 1 = 666.

It is not a de Polignac number, because 123774911361 - 2⁷ = 123774911233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123774911341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 361914775 + ... + 361915116.

Almost surely, 2^123774911361 is an apocalyptic number.

It is an amenable number.

123774911361 is a deficient number, since it is larger than the sum of its proper divisors (64420860559).

123774911361 is a wasteful number, since it uses less digits than its factorization.

123774911361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723829916 (or 723829913 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The spelling of 123774911361 in words is "one hundred twenty-three billion, seven hundred seventy-four million, nine hundred eleven thousand, three hundred sixty-one".