331663023 has 12 divisors (see below), whose sum is σ = 483309840. Its totient is φ = 219151296.

The previous prime is 331663001. The next prime is 331663043. The reversal of 331663023 is 320366133.

331663023 is a `hidden beast` number, since 3 + 3 + 1 + 6 + 630 + 23 = 666.

It is not a de Polignac number, because 331663023 - 2⁶ = 331662959 is a prime.

It is a super-2 number, since 2×331663023² = 220000721650997058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331663043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162043 + ... + 164076.

It is an arithmetic number, because the mean of its divisors is an integer number (40275820).

Almost surely, 2^331663023 is an apocalyptic number.

331663023 is a deficient number, since it is larger than the sum of its proper divisors (151646817).

331663023 is a wasteful number, since it uses less digits than its factorization.

331663023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326238 (or 326235 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

The square root of 331663023 is about 18211.6178029301. The cubic root of 331663023 is about 692.2012060121.

The spelling of 331663023 in words is "three hundred thirty-one million, six hundred sixty-three thousand, twenty-three".