233730538 has 4 divisors (see below), whose sum is σ = 350595810. Its totient is φ = 116865268.

The previous prime is 233730491. The next prime is 233730619. The reversal of 233730538 is 835037332.

233730538 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 220136569 + 13593969 = 14837^2 + 3687^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58432633 + ... + 58432636.

Almost surely, 2^233730538 is an apocalyptic number.

233730538 is a deficient number, since it is larger than the sum of its proper divisors (116865272).

233730538 is a wasteful number, since it uses less digits than its factorization.

233730538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116865271.

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 233730538 is about 15288.2483627131. The cubic root of 233730538 is about 615.9873869487.

The spelling of 233730538 in words is "two hundred thirty-three million, seven hundred thirty thousand, five hundred thirty-eight".