233023320 has 96 divisors (see below), whose sum is σ = 768708720. Its totient is φ = 61205760.

The previous prime is 233023313. The next prime is 233023337. The reversal of 233023320 is 23320332.

233023320 is a `hidden beast` number, since 2 + 330 + 2 + 332 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 233023293 and 233023302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19290 + ... + 28950.

Almost surely, 2^233023320 is an apocalyptic number.

233023320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233023320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384354360).

233023320 is an abundant number, since it is smaller than the sum of its proper divisors (535685400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233023320 is a wasteful number, since it uses less digits than its factorization.

233023320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9745 (or 9738 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 233023320 is about 15265.1013753594. The cubic root of 233023320 is about 615.3654777863.

Adding to 233023320 its reverse (23320332), we get a palindrome (256343652).

The spelling of 233023320 in words is "two hundred thirty-three million, twenty-three thousand, three hundred twenty".