203401232 has 40 divisors (see below), whose sum is σ = 415896000. Its totient is φ = 96100992.

The previous prime is 203401217. The next prime is 203401249. The reversal of 203401232 is 232104302.

It is a super-2 number, since 2×203401232² = 82744122358235648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203401232.

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 7 ways as a sum of consecutive naturals, for example, 181538 + ... + 182654.

It is an arithmetic number, because the mean of its divisors is an integer number (10397400).

Almost surely, 2^203401232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203401232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207948000).

203401232 is an abundant number, since it is smaller than the sum of its proper divisors (212494768).

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

203401232 is a wasteful number, since it uses less digits than its factorization.

203401232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743 (or 1737 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 203401232 is about 14261.8803809315. The cubic root of 203401232 is about 588.1000184650.

Adding to 203401232 its reverse (232104302), we get a palindrome (435505534).

The spelling of 203401232 in words is "two hundred three million, four hundred one thousand, two hundred thirty-two".