203234340 has 96 divisors (see below), whose sum is σ = 598308480. Its totient is φ = 51480576.

The previous prime is 203234333. The next prime is 203234351. The reversal of 203234340 is 43432302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94396 + ... + 96524.

It is an arithmetic number, because the mean of its divisors is an integer number (6232380).

Almost surely, 2^203234340 is an apocalyptic number.

203234340 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 203234340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299154240).

203234340 is an abundant number, since it is smaller than the sum of its proper divisors (395074140).

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

203234340 is a wasteful number, since it uses less digits than its factorization.

203234340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221 (or 2219 counting only the distinct ones).

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

The square root of 203234340 is about 14256.0281986253. The cubic root of 203234340 is about 587.9391278556.

Adding to 203234340 its reverse (43432302), we get a palindrome (246666642).

The spelling of 203234340 in words is "two hundred three million, two hundred thirty-four thousand, three hundred forty".