331423023 has 32 divisors (see below), whose sum is σ = 481098240. Its totient is φ = 202227840.

The previous prime is 331423019. The next prime is 331423033. The reversal of 331423023 is 320324133.

It is not a de Polignac number, because 331423023 - 2² = 331423019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331423003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351733 + ... + 352673.

It is an arithmetic number, because the mean of its divisors is an integer number (15034320).

Almost surely, 2^331423023 is an apocalyptic number.

331423023 is a deficient number, since it is larger than the sum of its proper divisors (149675217).

331423023 is a wasteful number, since it uses less digits than its factorization.

331423023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 331423023 is about 18205.0274100315. The cubic root of 331423023 is about 692.0342007833.

Adding to 331423023 its reverse (320324133), we get a palindrome (651747156).

The spelling of 331423023 in words is "three hundred thirty-one million, four hundred twenty-three thousand, twenty-three".