674313923 has 4 divisors (see below), whose sum is σ = 674382720. Its totient is φ = 674245128.

The previous prime is 674313877. The next prime is 674313949. The reversal of 674313923 is 329313476.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 674313923 - 2¹⁴ = 674297539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674313623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16640 + ... + 40317.

It is an arithmetic number, because the mean of its divisors is an integer number (168595680).

Almost surely, 2^674313923 is an apocalyptic number.

674313923 is a deficient number, since it is larger than the sum of its proper divisors (68797).

674313923 is a wasteful number, since it uses less digits than its factorization.

674313923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68796.

The product of its digits is 81648, while the sum is 38.

The square root of 674313923 is about 25967.5551987475. Note that the first 3 decimals coincide. The cubic root of 674313923 is about 876.9080205193.

The spelling of 674313923 in words is "six hundred seventy-four million, three hundred thirteen thousand, nine hundred twenty-three".