233039340 has 72 divisors (see below), whose sum is σ = 709974720. Its totient is φ = 61872384.

The previous prime is 233039327. The next prime is 233039341. The reversal of 233039340 is 43930332.

233039340 is a `hidden beast` number, since 233 + 0 + 393 + 40 = 666.

It is not an unprimeable number, because it can be changed into a prime (233039341) 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, 40312 + ... + 45728.

It is an arithmetic number, because the mean of its divisors is an integer number (9860760).

Almost surely, 2^233039340 is an apocalyptic number.

233039340 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 233039340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354987360).

233039340 is an abundant number, since it is smaller than the sum of its proper divisors (476935380).

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

233039340 is a wasteful number, since it uses less digits than its factorization.

233039340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5671 (or 5666 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

The square root of 233039340 is about 15265.6260926305. The cubic root of 233039340 is about 615.3795792777.

Adding to 233039340 its reverse (43930332), we get a palindrome (276969672).

The spelling of 233039340 in words is "two hundred thirty-three million, thirty-nine thousand, three hundred forty".