923648631 has 8 divisors (see below), whose sum is σ = 1231751040. Its totient is φ = 615655992.

The previous prime is 923648623. The next prime is 923648639. The reversal of 923648631 is 136846329.

It is an interprime number because it is at equal distance from previous prime (923648623) and next prime (923648639).

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

It is not a de Polignac number, because 923648631 - 2³ = 923648623 is a prime.

It is a super-2 number, since 2×923648631² = 1706253587096348322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (923648639) 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, 5241 + ... + 43298.

It is an arithmetic number, because the mean of its divisors is an integer number (153968880).

Almost surely, 2^923648631 is an apocalyptic number.

923648631 is a deficient number, since it is larger than the sum of its proper divisors (308102409).

923648631 is a wasteful number, since it uses less digits than its factorization.

923648631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54885.

The product of its digits is 186624, while the sum is 42.

The square root of 923648631 is about 30391.5881618582. The cubic root of 923648631 is about 973.8728613247.

The spelling of 923648631 in words is "nine hundred twenty-three million, six hundred forty-eight thousand, six hundred thirty-one".