233529428 has 36 divisors (see below), whose sum is σ = 452149152. Its totient is φ = 104656080.

The previous prime is 233529403. The next prime is 233529449. The reversal of 233529428 is 824925332.

233529428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 233529391 and 233529400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1028651 + ... + 1028877.

Almost surely, 2^233529428 is an apocalyptic number.

It is an amenable number.

233529428 is a deficient number, since it is larger than the sum of its proper divisors (218619724).

233529428 is a wasteful number, since it uses less digits than its factorization.

233529428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 343 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 233529428 is about 15281.6696731738. The cubic root of 233529428 is about 615.8106638269.

The spelling of 233529428 in words is "two hundred thirty-three million, five hundred twenty-nine thousand, four hundred twenty-eight".