233130404 has 12 divisors (see below), whose sum is σ = 439361244. Its totient is φ = 107598624.

The previous prime is 233130379. The next prime is 233130421. The reversal of 233130404 is 404031332.

233130404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 104080804 + 129049600 = 10202^2 + 11360^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2241587 + ... + 2241690.

It is an arithmetic number, because the mean of its divisors is an integer number (36613437).

Almost surely, 2^233130404 is an apocalyptic number.

It is an amenable number.

233130404 is a deficient number, since it is larger than the sum of its proper divisors (206230840).

233130404 is a wasteful number, since it uses less digits than its factorization.

233130404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4483294 (or 4483292 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 233130404 is about 15268.6084500193. The cubic root of 233130404 is about 615.4597254427.

Adding to 233130404 its reverse (404031332), we get a palindrome (637161736).

The spelling of 233130404 in words is "two hundred thirty-three million, one hundred thirty thousand, four hundred four".