230431399 has 8 divisors (see below), whose sum is σ = 253869840. Its totient is φ = 207408000.

The previous prime is 230431391. The next prime is 230431417. The reversal of 230431399 is 993134032.

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 230431399 - 2³ = 230431391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230431391) 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, 102594 + ... + 104815.

It is an arithmetic number, because the mean of its divisors is an integer number (31733730).

Almost surely, 2^230431399 is an apocalyptic number.

230431399 is a deficient number, since it is larger than the sum of its proper divisors (23438441).

230431399 is a wasteful number, since it uses less digits than its factorization.

230431399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207521.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 230431399 is about 15179.9670289497. The cubic root of 230431399 is about 613.0753934344.

It can be divided in two parts, 23043 and 1399, that added together give a palindrome (24442).

The spelling of 230431399 in words is "two hundred thirty million, four hundred thirty-one thousand, three hundred ninety-nine".