631472342723 has 8 divisors (see below), whose sum is σ = 631864485792. Its totient is φ = 631080294336.

The previous prime is 631472342687. The next prime is 631472342779. The reversal of 631472342723 is 327243274136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-631472342723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (631402342723) 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 7 ways as a sum of consecutive naturals, for example, 16921361 + ... + 16958637.

It is an arithmetic number, because the mean of its divisors is an integer number (78983060724).

Almost surely, 2^631472342723 is an apocalyptic number.

631472342723 is a deficient number, since it is larger than the sum of its proper divisors (392143069).

631472342723 is a wasteful number, since it uses less digits than its factorization.

631472342723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47341.

The product of its digits is 1016064, while the sum is 44.

The spelling of 631472342723 in words is "six hundred thirty-one billion, four hundred seventy-two million, three hundred forty-two thousand, seven hundred twenty-three".