309674712123 has 12 divisors (see below), whose sum is σ = 511209048688. Its totient is φ = 176956978320.

The previous prime is 309674712107. The next prime is 309674712157. The reversal of 309674712123 is 321217476903.

309674712123 is a `hidden beast` number, since 309 + 67 + 4 + 71 + 212 + 3 = 666.

It is not a de Polignac number, because 309674712123 - 2⁴ = 309674712107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (309674712173) 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, 2457735748 + ... + 2457735873.

Almost surely, 2^309674712123 is an apocalyptic number.

309674712123 is a deficient number, since it is larger than the sum of its proper divisors (201534336565).

309674712123 is a wasteful number, since it uses less digits than its factorization.

309674712123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4915471634 (or 4915471631 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 309674712123 in words is "three hundred nine billion, six hundred seventy-four million, seven hundred twelve thousand, one hundred twenty-three".