230232321133 has 4 divisors (see below), whose sum is σ = 231425234908. Its totient is φ = 229039407360.

The previous prime is 230232321113. The next prime is 230232321173. The reversal of 230232321133 is 331123232032.

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

It can be written as a sum of positive squares in 2 ways, for example, as 51664380804 + 178567940329 = 227298^2 + 422573^2 .

It is a cyclic number.

It is not a de Polignac number, because 230232321133 - 2⁵ = 230232321101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230232321098 and 230232321107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230232321113) 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, 596456598 + ... + 596456983.

It is an arithmetic number, because the mean of its divisors is an integer number (57856308727).

Almost surely, 2^230232321133 is an apocalyptic number.

It is an amenable number.

230232321133 is a deficient number, since it is larger than the sum of its proper divisors (1192913775).

230232321133 is a wasteful number, since it uses less digits than its factorization.

230232321133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192913774.

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

Adding to 230232321133 its reverse (331123232032), we get a palindrome (561355553165).

The spelling of 230232321133 in words is "two hundred thirty billion, two hundred thirty-two million, three hundred twenty-one thousand, one hundred thirty-three".