234231404 has 12 divisors (see below), whose sum is σ = 447169128. Its totient is φ = 106468800.

The previous prime is 234231383. The next prime is 234231407. The reversal of 234231404 is 404132432.

It is a super-2 number, since 2×234231404² = 109728701239622432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 234231404.

It is not an unprimeable number, because it can be changed into a prime (234231407) 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, 2661677 + ... + 2661764.

It is an arithmetic number, because the mean of its divisors is an integer number (37264094).

Almost surely, 2^234231404 is an apocalyptic number.

It is an amenable number.

234231404 is a deficient number, since it is larger than the sum of its proper divisors (212937724).

234231404 is a wasteful number, since it uses less digits than its factorization.

234231404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5323456 (or 5323454 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 234231404 is about 15304.6203481171. The cubic root of 234231404 is about 616.4270770581.

Adding to 234231404 its reverse (404132432), we get a palindrome (638363836).

The spelling of 234231404 in words is "two hundred thirty-four million, two hundred thirty-one thousand, four hundred four".