233234440 has 16 divisors (see below), whose sum is σ = 524777580. Its totient is φ = 93293760.

The previous prime is 233234429. The next prime is 233234447. The reversal of 233234440 is 44432332.

It can be written as a sum of positive squares in 2 ways, for example, as 220403716 + 12830724 = 14846^2 + 3582^2 .

It is a super-2 number, since 2×233234440² = 108796608004227200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (233234447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2915391 + ... + 2915470.

Almost surely, 2^233234440 is an apocalyptic number.

233234440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233234440 is an abundant number, since it is smaller than the sum of its proper divisors (291543140).

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

233234440 is a wasteful number, since it uses less digits than its factorization.

233234440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5830872 (or 5830868 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 233234440 is about 15272.0149292750. The cubic root of 233234440 is about 615.5512628322.

Adding to 233234440 its reverse (44432332), we get a palindrome (277666772).

The spelling of 233234440 in words is "two hundred thirty-three million, two hundred thirty-four thousand, four hundred forty".