12574394723 has 4 divisors (see below), whose sum is σ = 13717521528. Its totient is φ = 11431267920.

The previous prime is 12574394719. The next prime is 12574394761. The reversal of 12574394723 is 32749347521.

It is a happy number.

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 12574394723 - 2² = 12574394719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12574394773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571563386 + ... + 571563407.

It is an arithmetic number, because the mean of its divisors is an integer number (3429380382).

Almost surely, 2^12574394723 is an apocalyptic number.

12574394723 is a deficient number, since it is larger than the sum of its proper divisors (1143126805).

12574394723 is a wasteful number, since it uses less digits than its factorization.

12574394723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143126804.

The product of its digits is 1270080, while the sum is 47.

The spelling of 12574394723 in words is "twelve billion, five hundred seventy-four million, three hundred ninety-four thousand, seven hundred twenty-three".