233212404 has 24 divisors (see below), whose sum is σ = 550720800. Its totient is φ = 76800544.

The previous prime is 233212391. The next prime is 233212417. The reversal of 233212404 is 404212332.

It is an interprime number because it is at equal distance from previous prime (233212391) and next prime (233212417).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116079 + ... + 118070.

It is an arithmetic number, because the mean of its divisors is an integer number (22946700).

Almost surely, 2^233212404 is an apocalyptic number.

It is an amenable number.

233212404 is an abundant number, since it is smaller than the sum of its proper divisors (317508396).

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

233212404 is a wasteful number, since it uses less digits than its factorization.

233212404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234239 (or 234237 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 233212404 is about 15271.2934619174. The cubic root of 233212404 is about 615.5318764516.

Adding to 233212404 its reverse (404212332), we get a palindrome (637424736).

The spelling of 233212404 in words is "two hundred thirty-three million, two hundred twelve thousand, four hundred four".