231430430323 has 4 divisors (see below), whose sum is σ = 236354482080. Its totient is φ = 226506378568.

The previous prime is 231430430317. The next prime is 231430430377. The reversal of 231430430323 is 323034034132.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231430430323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231430430291 and 231430430300.

It is not an unprimeable number, because it can be changed into a prime (231430430383) 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, 2462025808 + ... + 2462025901.

It is an arithmetic number, because the mean of its divisors is an integer number (59088620520).

Almost surely, 2^231430430323 is an apocalyptic number.

231430430323 is a deficient number, since it is larger than the sum of its proper divisors (4924051757).

231430430323 is an equidigital number, since it uses as much as digits as its factorization.

231430430323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4924051756.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 231430430323 its reverse (323034034132), we get a palindrome (554464464455).

The spelling of 231430430323 in words is "two hundred thirty-one billion, four hundred thirty million, four hundred thirty thousand, three hundred twenty-three".