331223023 has 32 divisors (see below), whose sum is σ = 369515520. Its totient is φ = 295975680.

The previous prime is 331223017. The next prime is 331223041. The reversal of 331223023 is 320322133.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 331223023 - 2⁹ = 331222511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331223083) 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, 3721563 + ... + 3721651.

It is an arithmetic number, because the mean of its divisors is an integer number (11547360).

Almost surely, 2^331223023 is an apocalyptic number.

331223023 is a deficient number, since it is larger than the sum of its proper divisors (38292497).

331223023 is a wasteful number, since it uses less digits than its factorization.

331223023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 331223023 is about 18199.5335929248. The cubic root of 331223023 is about 691.8949681603.

Adding to 331223023 its reverse (320322133), we get a palindrome (651545156).

It can be divided in two parts, 3312 and 23023, that added together give a triangular number (26335 = T₂₂₉).

The spelling of 331223023 in words is "three hundred thirty-one million, two hundred twenty-three thousand, twenty-three".