233405412 has 12 divisors (see below), whose sum is σ = 544612656. Its totient is φ = 77801800.

The previous prime is 233405411. The next prime is 233405429. The reversal of 233405412 is 214504332.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (233405411) 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, 9725214 + ... + 9725237.

It is an arithmetic number, because the mean of its divisors is an integer number (45384388).

Almost surely, 2^233405412 is an apocalyptic number.

It is an amenable number.

233405412 is an abundant number, since it is smaller than the sum of its proper divisors (311207244).

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

233405412 is a wasteful number, since it uses less digits than its factorization.

233405412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19450458 (or 19450456 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 233405412 is about 15277.6114625291. The cubic root of 233405412 is about 615.7016356004.

Adding to 233405412 its reverse (214504332), we get a palindrome (447909744).

The spelling of 233405412 in words is "two hundred thirty-three million, four hundred five thousand, four hundred twelve".