631662423 has 8 divisors (see below), whose sum is σ = 962533248. Its totient is φ = 360949944.

The previous prime is 631662413. The next prime is 631662439. The reversal of 631662423 is 324266136.

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

It is not a de Polignac number, because 631662423 - 2⁴ = 631662407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631662413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15039561 + ... + 15039602.

It is an arithmetic number, because the mean of its divisors is an integer number (120316656).

Almost surely, 2^631662423 is an apocalyptic number.

631662423 is a deficient number, since it is larger than the sum of its proper divisors (330870825).

631662423 is a wasteful number, since it uses less digits than its factorization.

631662423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30079173.

The product of its digits is 31104, while the sum is 33.

The square root of 631662423 is about 25132.8952371190. The cubic root of 631662423 is about 858.0152639902.

The spelling of 631662423 in words is "six hundred thirty-one million, six hundred sixty-two thousand, four hundred twenty-three".