231423104 has 32 divisors (see below), whose sum is σ = 502953840. Its totient is φ = 105191680.

The previous prime is 231423077. The next prime is 231423107. The reversal of 231423104 is 401324132.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (231423107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80774 + ... + 83589.

Almost surely, 2^231423104 is an apocalyptic number.

It is an amenable number.

231423104 is an abundant number, since it is smaller than the sum of its proper divisors (271530736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231423104 is a wasteful number, since it uses less digits than its factorization.

231423104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164388 (or 164376 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 231423104 is about 15212.5968854762. The cubic root of 231423104 is about 613.9536299585.

Adding to 231423104 its reverse (401324132), we get a palindrome (632747236).

The spelling of 231423104 in words is "two hundred thirty-one million, four hundred twenty-three thousand, one hundred four".