233023990 has 48 divisors (see below), whose sum is σ = 442940400. Its totient is φ = 88156992.

The previous prime is 233023963. The next prime is 233023991. The reversal of 233023990 is 99320332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233023991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1301721 + ... + 1301899.

It is an arithmetic number, because the mean of its divisors is an integer number (9227925).

Almost surely, 2^233023990 is an apocalyptic number.

233023990 is a deficient number, since it is larger than the sum of its proper divisors (209916410).

233023990 is a wasteful number, since it uses less digits than its factorization.

233023990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 233023990 is about 15265.1233208252. The cubic root of 233023990 is about 615.3660675620.

The spelling of 233023990 in words is "two hundred thirty-three million, twenty-three thousand, nine hundred ninety".