231213330223 has 4 divisors (see below), whose sum is σ = 231236692648. Its totient is φ = 231189967800.

The previous prime is 231213330211. The next prime is 231213330251. The reversal of 231213330223 is 322033312132.

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 231213330223 - 2²⁵ = 231179775791 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 (231213330203) 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, 11666361 + ... + 11686162.

It is an arithmetic number, because the mean of its divisors is an integer number (57809173162).

Almost surely, 2^231213330223 is an apocalyptic number.

231213330223 is a deficient number, since it is larger than the sum of its proper divisors (23362425).

231213330223 is an equidigital number, since it uses as much as digits as its factorization.

231213330223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23362424.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 231213330223 its reverse (322033312132), we get a palindrome (553246642355).

The spelling of 231213330223 in words is "two hundred thirty-one billion, two hundred thirteen million, three hundred thirty thousand, two hundred twenty-three".