234203340 has 144 divisors (see below), whose sum is σ = 783814752. Its totient is φ = 52061184.

The previous prime is 234203323. The next prime is 234203363. The reversal of 234203340 is 43302432.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107704 + ... + 109856.

It is an arithmetic number, because the mean of its divisors is an integer number (5443158).

Almost surely, 2^234203340 is an apocalyptic number.

234203340 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 234203340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391907376).

234203340 is an abundant number, since it is smaller than the sum of its proper divisors (549611412).

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

234203340 is a wasteful number, since it uses less digits than its factorization.

234203340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216 (or 2207 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 234203340 is about 15303.7034733427. The cubic root of 234203340 is about 616.4024573869.

Adding to 234203340 its reverse (43302432), we get a palindrome (277505772).

The spelling of 234203340 in words is "two hundred thirty-four million, two hundred three thousand, three hundred forty".