230311220233 has 4 divisors (see below), whose sum is σ = 233748701200. Its totient is φ = 226873739268.

The previous prime is 230311220197. The next prime is 230311220339. The reversal of 230311220233 is 332022113032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230311220233 - 2³⁷ = 92872266761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230311220833) 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, 1718740383 + ... + 1718740516.

It is an arithmetic number, because the mean of its divisors is an integer number (58437175300).

Almost surely, 2^230311220233 is an apocalyptic number.

It is an amenable number.

230311220233 is a deficient number, since it is larger than the sum of its proper divisors (3437480967).

230311220233 is an equidigital number, since it uses as much as digits as its factorization.

230311220233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3437480966.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 230311220233 its reverse (332022113032), we get a palindrome (562333333265).

The spelling of 230311220233 in words is "two hundred thirty billion, three hundred eleven million, two hundred twenty thousand, two hundred thirty-three".