31233220424223 has 32 divisors (see below), whose sum is σ = 43598873590272. Its totient is φ = 19850954006400.

The previous prime is 31233220424213. The next prime is 31233220424227. The reversal of 31233220424223 is 32242402233213.

It is not a de Polignac number, because 31233220424223 - 2⁸ = 31233220423967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31233220424227) 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, 27336688 + ... + 28456298.

It is an arithmetic number, because the mean of its divisors is an integer number (1362464799696).

Almost surely, 2^{31233220424223} is an apocalyptic number.

31233220424223 is a deficient number, since it is larger than the sum of its proper divisors (12365653166049).

31233220424223 is a wasteful number, since it uses less digits than its factorization.

31233220424223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120975.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 31233220424223 its reverse (32242402233213), we get a palindrome (63475622657436).

The spelling of 31233220424223 in words is "thirty-one trillion, two hundred thirty-three billion, two hundred twenty million, four hundred twenty-four thousand, two hundred twenty-three".