233136530 has 32 divisors (see below), whose sum is σ = 460479168. Its totient is φ = 84280000.

The previous prime is 233136529. The next prime is 233136551. The reversal of 233136530 is 35631332.

233136530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 233136530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12905 + ... + 25155.

It is an arithmetic number, because the mean of its divisors is an integer number (14389974).

Almost surely, 2^233136530 is an apocalyptic number.

233136530 is a deficient number, since it is larger than the sum of its proper divisors (227342638).

233136530 is a wasteful number, since it uses less digits than its factorization.

233136530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12442.

The product of its (nonzero) digits is 4860, while the sum is 26.

The square root of 233136530 is about 15268.8090563737. The cubic root of 233136530 is about 615.4651162357.

Adding to 233136530 its reverse (35631332), we get a palindrome (268767862).

The spelling of 233136530 in words is "two hundred thirty-three million, one hundred thirty-six thousand, five hundred thirty".