231204043 has 8 divisors (see below), whose sum is σ = 270678240. Its totient is φ = 193341120.

The previous prime is 231204041. The next prime is 231204047. The reversal of 231204043 is 340402132.

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

It is not a de Polignac number, because 231204043 - 2¹ = 231204041 is a prime.

It is a super-3 number, since 3×231204043³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231204043.

It is not an unprimeable number, because it can be changed into a prime (231204041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402508 + ... + 403081.

It is an arithmetic number, because the mean of its divisors is an integer number (33834780).

Almost surely, 2^231204043 is an apocalyptic number.

231204043 is a deficient number, since it is larger than the sum of its proper divisors (39474197).

231204043 is an equidigital number, since it uses as much as digits as its factorization.

231204043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805637.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 231204043 is about 15205.3951938120. The cubic root of 231204043 is about 613.7598496020.

Adding to 231204043 its reverse (340402132), we get a palindrome (571606175).

The spelling of 231204043 in words is "two hundred thirty-one million, two hundred four thousand, forty-three".