232303090989 has 4 divisors (see below), whose sum is σ = 309737454656. Its totient is φ = 154868727324.

The previous prime is 232303090963. The next prime is 232303090997. The reversal of 232303090989 is 989090303232.

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 not a de Polignac number, because 232303090989 - 2²⁵ = 232269536557 is a prime.

It is a super-2 number, since 2×232303090989² (a number of 24 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232303090889) 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, 38717181829 + ... + 38717181834.

It is an arithmetic number, because the mean of its divisors is an integer number (77434363664).

Almost surely, 2^232303090989 is an apocalyptic number.

It is an amenable number.

232303090989 is a deficient number, since it is larger than the sum of its proper divisors (77434363667).

232303090989 is an equidigital number, since it uses as much as digits as its factorization.

232303090989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77434363666.

The product of its (nonzero) digits is 629856, while the sum is 48.

The spelling of 232303090989 in words is "two hundred thirty-two billion, three hundred three million, ninety thousand, nine hundred eighty-nine".