233513056 has 24 divisors (see below), whose sum is σ = 525404880. Its totient is φ = 100076928.

The previous prime is 233513053. The next prime is 233513069. The reversal of 233513056 is 650315332.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233513053) 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, 521011 + ... + 521458.

It is an arithmetic number, because the mean of its divisors is an integer number (21891870).

Almost surely, 2^233513056 is an apocalyptic number.

It is an amenable number.

233513056 is an abundant number, since it is smaller than the sum of its proper divisors (291891824).

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

233513056 is a wasteful number, since it uses less digits than its factorization.

233513056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042486 (or 1042478 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 233513056 is about 15281.1339893347. The cubic root of 233513056 is about 615.7962726531.

Adding to 233513056 its reverse (650315332), we get a palindrome (883828388).

The spelling of 233513056 in words is "two hundred thirty-three million, five hundred thirteen thousand, fifty-six".