231412593 has 4 divisors (see below), whose sum is σ = 308550128. Its totient is φ = 154275060.

The previous prime is 231412583. The next prime is 231412607. The reversal of 231412593 is 395214132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 231412593 - 2¹⁶ = 231347057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231412593.

It is not an unprimeable number, because it can be changed into a prime (231412583) 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, 38568763 + ... + 38568768.

It is an arithmetic number, because the mean of its divisors is an integer number (77137532).

Almost surely, 2^231412593 is an apocalyptic number.

It is an amenable number.

231412593 is a deficient number, since it is larger than the sum of its proper divisors (77137535).

231412593 is an equidigital number, since it uses as much as digits as its factorization.

231412593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77137534.

The product of its digits is 6480, while the sum is 30.

The square root of 231412593 is about 15212.2514112803. The cubic root of 231412593 is about 613.9443347697.

The spelling of 231412593 in words is "two hundred thirty-one million, four hundred twelve thousand, five hundred ninety-three".