231120323 has 4 divisors (see below), whose sum is σ = 264137520. Its totient is φ = 198103128.

The previous prime is 231120293. The next prime is 231120341. The reversal of 231120323 is 323021132.

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 231120323 - 2¹⁸ = 230858179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231120023) 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, 16508588 + ... + 16508601.

It is an arithmetic number, because the mean of its divisors is an integer number (66034380).

Almost surely, 2^231120323 is an apocalyptic number.

231120323 is a deficient number, since it is larger than the sum of its proper divisors (33017197).

231120323 is an equidigital number, since it uses as much as digits as its factorization.

231120323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33017196.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 231120323 is about 15202.6419743412. The cubic root of 231120323 is about 613.6857589455.

Adding to 231120323 its reverse (323021132), we get a palindrome (554141455).

The spelling of 231120323 in words is "two hundred thirty-one million, one hundred twenty thousand, three hundred twenty-three".