234403240 has 32 divisors (see below), whose sum is σ = 529296480. Its totient is φ = 93425472.

The previous prime is 234403237. The next prime is 234403243. The reversal of 234403240 is 42304432.

It is an interprime number because it is at equal distance from previous prime (234403237) and next prime (234403243).

It is not an unprimeable number, because it can be changed into a prime (234403243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 967 + ... + 21673.

It is an arithmetic number, because the mean of its divisors is an integer number (16540515).

Almost surely, 2^234403240 is an apocalyptic number.

234403240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234403240 is an abundant number, since it is smaller than the sum of its proper divisors (294893240).

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

234403240 is a wasteful number, since it uses less digits than its factorization.

234403240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21001 (or 20997 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 234403240 is about 15310.2331791518. The cubic root of 234403240 is about 616.5777805495.

Adding to 234403240 its reverse (42304432), we get a palindrome (276707672).

The spelling of 234403240 in words is "two hundred thirty-four million, four hundred three thousand, two hundred forty".