230983691 has 4 divisors (see below), whose sum is σ = 231438000. Its totient is φ = 230529384.

The previous prime is 230983681. The next prime is 230983721. The reversal of 230983691 is 196389032.

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 230983691 - 2¹⁴ = 230967307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230983601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226391 + ... + 227408.

It is an arithmetic number, because the mean of its divisors is an integer number (57859500).

Almost surely, 2^230983691 is an apocalyptic number.

230983691 is a deficient number, since it is larger than the sum of its proper divisors (454309).

230983691 is an equidigital number, since it uses as much as digits as its factorization.

230983691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454308.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 230983691 is about 15198.1476173907. The cubic root of 230983691 is about 613.5648037073.

The spelling of 230983691 in words is "two hundred thirty million, nine hundred eighty-three thousand, six hundred ninety-one".