233430898 has 4 divisors (see below), whose sum is σ = 350146350. Its totient is φ = 116715448.

The previous prime is 233430871. The next prime is 233430907. The reversal of 233430898 is 898034332.

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., 135559449 + 97871449 = 11643^2 + 9893^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 233430898.

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 as a sum of consecutive naturals, namely, 58357723 + ... + 58357726.

Almost surely, 2^233430898 is an apocalyptic number.

233430898 is a deficient number, since it is larger than the sum of its proper divisors (116715452).

233430898 is a wasteful number, since it uses less digits than its factorization.

233430898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116715451.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 233430898 is about 15278.4455361139. The cubic root of 233430898 is about 615.7240446792.

The spelling of 233430898 in words is "two hundred thirty-three million, four hundred thirty thousand, eight hundred ninety-eight".