233568638 has 4 divisors (see below), whose sum is σ = 350352960. Its totient is φ = 116784318.

The previous prime is 233568637. The next prime is 233568641. The reversal of 233568638 is 836865332.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233568637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58392158 + ... + 58392161.

It is an arithmetic number, because the mean of its divisors is an integer number (87588240).

Almost surely, 2^233568638 is an apocalyptic number.

233568638 is a deficient number, since it is larger than the sum of its proper divisors (116784322).

233568638 is a wasteful number, since it uses less digits than its factorization.

233568638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116784321.

The product of its digits is 622080, while the sum is 44.

The square root of 233568638 is about 15282.9525288800. The cubic root of 233568638 is about 615.8451271279.

The spelling of 233568638 in words is "two hundred thirty-three million, five hundred sixty-eight thousand, six hundred thirty-eight".