233530564 has 48 divisors (see below), whose sum is σ = 450455040. Its totient is φ = 105454080.

The previous prime is 233530559. The next prime is 233530567. The reversal of 233530564 is 465035332.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (233530567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292614 + ... + 293410.

It is an arithmetic number, because the mean of its divisors is an integer number (9384480).

Almost surely, 2^233530564 is an apocalyptic number.

It is an amenable number.

233530564 is a deficient number, since it is larger than the sum of its proper divisors (216924476).

233530564 is a wasteful number, since it uses less digits than its factorization.

233530564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 31.

The square root of 233530564 is about 15281.7068418420. The cubic root of 233530564 is about 615.8116623589.

Adding to 233530564 its reverse (465035332), we get a palindrome (698565896).

The spelling of 233530564 in words is "two hundred thirty-three million, five hundred thirty thousand, five hundred sixty-four".