231424004 has 48 divisors (see below), whose sum is σ = 470722560. Its totient is φ = 97511040.

The previous prime is 231423991. The next prime is 231424007. The reversal of 231424004 is 400424132.

It is not an unprimeable number, because it can be changed into a prime (231424007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582734 + ... + 583130.

It is an arithmetic number, because the mean of its divisors is an integer number (9806720).

Almost surely, 2^231424004 is an apocalyptic number.

It is an amenable number.

231424004 is an abundant number, since it is smaller than the sum of its proper divisors (239298556).

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

231424004 is a wasteful number, since it uses less digits than its factorization.

231424004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 231424004 is about 15212.6264661958. The cubic root of 231424004 is about 613.9544258421.

Adding to 231424004 its reverse (400424132), we get a palindrome (631848136).

The spelling of 231424004 in words is "two hundred thirty-one million, four hundred twenty-four thousand, four".