231330033223 has 4 divisors (see below), whose sum is σ = 231343018720. Its totient is φ = 231317047728.

The previous prime is 231330033203. The next prime is 231330033353. The reversal of 231330033223 is 322330033132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231330033223 - 2²¹ = 231327936071 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 (231330033203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6465990 + ... + 6501667.

It is an arithmetic number, because the mean of its divisors is an integer number (57835754680).

Almost surely, 2^231330033223 is an apocalyptic number.

231330033223 is a deficient number, since it is larger than the sum of its proper divisors (12985497).

231330033223 is a wasteful number, since it uses less digits than its factorization.

231330033223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12985496.

The product of its (nonzero) digits is 5832, while the sum is 25.

Adding to 231330033223 its reverse (322330033132), we get a palindrome (553660066355).

Subtracting 231330033223 from its reverse (322330033132), we obtain a palindrome (90999999909).

The spelling of 231330033223 in words is "two hundred thirty-one billion, three hundred thirty million, thirty-three thousand, two hundred twenty-three".