31233230223 has 64 divisors (see below), whose sum is σ = 46477476864. Its totient is φ = 18534528000.

The previous prime is 31233230183. The next prime is 31233230233. The reversal of 31233230223 is 32203233213.

It is not a de Polignac number, because 31233230223 - 2⁹ = 31233229711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31233230193 and 31233230202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31233230233) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 90009136 + ... + 90009482.

It is an arithmetic number, because the mean of its divisors is an integer number (726210576).

Almost surely, 2^31233230223 is an apocalyptic number.

31233230223 is a deficient number, since it is larger than the sum of its proper divisors (15244246641).

31233230223 is a wasteful number, since it uses less digits than its factorization.

31233230223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 31233230223 its reverse (32203233213), we get a palindrome (63436463436).

The spelling of 31233230223 in words is "thirty-one billion, two hundred thirty-three million, two hundred thirty thousand, two hundred twenty-three".