233328428 has 6 divisors (see below), whose sum is σ = 408324756. Its totient is φ = 116664212.

The previous prime is 233328377. The next prime is 233328437. The reversal of 233328428 is 824823332.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29166050 + ... + 29166057.

It is an arithmetic number, because the mean of its divisors is an integer number (68054126).

Almost surely, 2^233328428 is an apocalyptic number.

It is an amenable number.

233328428 is a deficient number, since it is larger than the sum of its proper divisors (174996328).

233328428 is a wasteful number, since it uses less digits than its factorization.

233328428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58332111 (or 58332109 counting only the distinct ones).

The product of its digits is 55296, while the sum is 35.

The square root of 233328428 is about 15275.0917509519. The cubic root of 233328428 is about 615.6339359607.

The spelling of 233328428 in words is "two hundred thirty-three million, three hundred twenty-eight thousand, four hundred twenty-eight".