203432412 has 24 divisors (see below), whose sum is σ = 474961536. Its totient is φ = 67769968.

The previous prime is 203432357. The next prime is 203432429. The reversal of 203432412 is 214234302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20983 + ... + 29105.

It is an arithmetic number, because the mean of its divisors is an integer number (19790064).

Almost surely, 2^203432412 is an apocalyptic number.

It is an amenable number.

203432412 is an abundant number, since it is smaller than the sum of its proper divisors (271529124).

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

203432412 is a wasteful number, since it uses less digits than its factorization.

203432412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10217 (or 10215 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 203432412 is about 14262.9734627812. The cubic root of 203432412 is about 588.1300674827.

Adding to 203432412 its reverse (214234302), we get a palindrome (417666714).

The spelling of 203432412 in words is "two hundred three million, four hundred thirty-two thousand, four hundred twelve".