123356911347 has 12 divisors (see below), whose sum is σ = 179816905840. Its totient is φ = 81483463728.

The previous prime is 123356911339. The next prime is 123356911369. The reversal of 123356911347 is 743119653321.

123356911347 is a `hidden beast` number, since 1 + 2 + 33 + 569 + 1 + 13 + 47 = 666.

It is not a de Polignac number, because 123356911347 - 2³ = 123356911339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123356915347) 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, 62872063 + ... + 62874024.

Almost surely, 2^123356911347 is an apocalyptic number.

123356911347 is a deficient number, since it is larger than the sum of its proper divisors (56459994493).

123356911347 is a wasteful number, since it uses less digits than its factorization.

123356911347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125746202 (or 125746199 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The spelling of 123356911347 in words is "one hundred twenty-three billion, three hundred fifty-six million, nine hundred eleven thousand, three hundred forty-seven".