230433431 has 4 divisors (see below), whose sum is σ = 235792392. Its totient is φ = 225074472.

The previous prime is 230433397. The next prime is 230433439. The reversal of 230433431 is 134334032.

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 230433431 - 2¹⁸ = 230171287 is a prime.

It is a super-2 number, since 2×230433431² = 106199132244863522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230433397 and 230433406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230433439) 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, 2679416 + ... + 2679501.

It is an arithmetic number, because the mean of its divisors is an integer number (58948098).

Almost surely, 2^230433431 is an apocalyptic number.

230433431 is a deficient number, since it is larger than the sum of its proper divisors (5358961).

230433431 is an equidigital number, since it uses as much as digits as its factorization.

230433431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5358960.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 230433431 is about 15180.0339591188. The cubic root of 230433431 is about 613.0771955117.

Adding to 230433431 its reverse (134334032), we get a palindrome (364767463).

The spelling of 230433431 in words is "two hundred thirty million, four hundred thirty-three thousand, four hundred thirty-one".