203432342 has 4 divisors (see below), whose sum is σ = 305148516. Its totient is φ = 101716170.

The previous prime is 203432321. The next prime is 203432357. The reversal of 203432342 is 243234302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243234302 = 2 ⋅121617151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50858084 + ... + 50858087.

It is an arithmetic number, because the mean of its divisors is an integer number (76287129).

Almost surely, 2^203432342 is an apocalyptic number.

203432342 is a deficient number, since it is larger than the sum of its proper divisors (101716174).

203432342 is a wasteful number, since it uses less digits than its factorization.

203432342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101716173.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 203432342 is about 14262.9710088747. The cubic root of 203432342 is about 588.1300000253.

Adding to 203432342 its reverse (243234302), we get a palindrome (446666644).

The spelling of 203432342 in words is "two hundred three million, four hundred thirty-two thousand, three hundred forty-two".