230231999999 has 4 divisors (see below), whose sum is σ = 230616361200. Its totient is φ = 229847638800.

The previous prime is 230231999929. The next prime is 230232000013. The reversal of 230231999999 is 999999132032.

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 230231999999 - 2²⁸ = 229963564543 is a prime.

It is a Duffinian number.

230231999999 is a modest number, since divided by 999999 gives 230231 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230231999929) 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, 192179702 + ... + 192180899.

It is an arithmetic number, because the mean of its divisors is an integer number (57654090300).

Almost surely, 2^230231999999 is an apocalyptic number.

230231999999 is a deficient number, since it is larger than the sum of its proper divisors (384361201).

230231999999 is an equidigital number, since it uses as much as digits as its factorization.

230231999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384361200.

The product of its (nonzero) digits is 19131876, while the sum is 65.

The spelling of 230231999999 in words is "two hundred thirty billion, two hundred thirty-one million, nine hundred ninety-nine thousand, nine hundred ninety-nine".