674327310523 has 4 divisors (see below), whose sum is σ = 674329481280. Its totient is φ = 674325139768.

The previous prime is 674327310473. The next prime is 674327310551. The reversal of 674327310523 is 325013723476.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 674327310523 - 2⁹ = 674327310011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 674327310523.

It is not an unprimeable number, because it can be changed into a prime (674327340523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521908 + ... + 1273201.

It is an arithmetic number, because the mean of its divisors is an integer number (168582370320).

Almost surely, 2^674327310523 is an apocalyptic number.

674327310523 is a deficient number, since it is larger than the sum of its proper divisors (2170757).

674327310523 is a wasteful number, since it uses less digits than its factorization.

674327310523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170756.

The product of its (nonzero) digits is 635040, while the sum is 43.

The spelling of 674327310523 in words is "six hundred seventy-four billion, three hundred twenty-seven million, three hundred ten thousand, five hundred twenty-three".