203432321142 has 48 divisors (see below), whose sum is σ = 470260348272. Its totient is φ = 63334702080.

The previous prime is 203432321129. The next prime is 203432321161. The reversal of 203432321142 is 241123234302.

203432321142 is a `hidden beast` number, since 203 + 432 + 3 + 21 + 1 + 4 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2497363 + ... + 2577534.

It is an arithmetic number, because the mean of its divisors is an integer number (9797090589).

Almost surely, 2^203432321142 is an apocalyptic number.

203432321142 is an abundant number, since it is smaller than the sum of its proper divisors (266828027130).

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

203432321142 is a wasteful number, since it uses less digits than its factorization.

203432321142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5075053 (or 5075050 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 203432321142 its reverse (241123234302), we get a palindrome (444555555444).

The spelling of 203432321142 in words is "two hundred three billion, four hundred thirty-two million, three hundred twenty-one thousand, one hundred forty-two".