233430645 has 16 divisors (see below), whose sum is σ = 426844800. Its totient is φ = 106711104.

The previous prime is 233430581. The next prime is 233430661. The reversal of 233430645 is 546034332.

It is not a de Polignac number, because 233430645 - 2⁶ = 233430581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1111470 + ... + 1111679.

It is an arithmetic number, because the mean of its divisors is an integer number (26677800).

Almost surely, 2^233430645 is an apocalyptic number.

It is an amenable number.

233430645 is a deficient number, since it is larger than the sum of its proper divisors (193414155).

233430645 is a wasteful number, since it uses less digits than its factorization.

233430645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223164.

The product of its (nonzero) digits is 25920, while the sum is 30.

The square root of 233430645 is about 15278.4372564736. The cubic root of 233430645 is about 615.7238222318.

Adding to 233430645 its reverse (546034332), we get a palindrome (779464977).

The spelling of 233430645 in words is "two hundred thirty-three million, four hundred thirty thousand, six hundred forty-five".