203434142 has 8 divisors (see below), whose sum is σ = 311643936. Its totient is φ = 99552832.

The previous prime is 203434129. The next prime is 203434151. The reversal of 203434142 is 241434302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1082003 + ... + 1082190.

It is an arithmetic number, because the mean of its divisors is an integer number (38955492).

Almost surely, 2^203434142 is an apocalyptic number.

203434142 is a deficient number, since it is larger than the sum of its proper divisors (108209794).

203434142 is a wasteful number, since it uses less digits than its factorization.

203434142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164242.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 203434142 is about 14263.0341091929. The cubic root of 203434142 is about 588.1317346411.

Adding to 203434142 its reverse (241434302), we get a palindrome (444868444).

The spelling of 203434142 in words is "two hundred three million, four hundred thirty-four thousand, one hundred forty-two".