233433340 has 48 divisors (see below), whose sum is σ = 565512192. Its totient is φ = 79281216.

The previous prime is 233433337. The next prime is 233433353. The reversal of 233433340 is 43334332.

233433340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×233433340² = 108982248447111200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7189 + ... + 22771.

It is an arithmetic number, because the mean of its divisors is an integer number (11781504).

Almost surely, 2^233433340 is an apocalyptic number.

233433340 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 233433340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282756096).

233433340 is an abundant number, since it is smaller than the sum of its proper divisors (332078852).

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

233433340 is a wasteful number, since it uses less digits than its factorization.

233433340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15706 (or 15704 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 25.

The square root of 233433340 is about 15278.5254524120. The cubic root of 233433340 is about 615.7261917712.

Adding to 233433340 its reverse (43334332), we get a palindrome (276767672).

The spelling of 233433340 in words is "two hundred thirty-three million, four hundred thirty-three thousand, three hundred forty".