231323099 has 8 divisors (see below), whose sum is σ = 265505760. Its totient is φ = 197424576.

The previous prime is 231323093. The next prime is 231323123. The reversal of 231323099 is 990323132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231323099 - 2⁴ = 231323083 is a prime.

It is a super-2 number, since 2×231323099² = 107020752261927602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231323093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69284 + ... + 72545.

It is an arithmetic number, because the mean of its divisors is an integer number (33188220).

Almost surely, 2^231323099 is an apocalyptic number.

231323099 is a deficient number, since it is larger than the sum of its proper divisors (34182661).

231323099 is a wasteful number, since it uses less digits than its factorization.

231323099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142069.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 231323099 is about 15209.3096161529. The cubic root of 231323099 is about 613.8651811708.

The spelling of 231323099 in words is "two hundred thirty-one million, three hundred twenty-three thousand, ninety-nine".