203434046542 has 8 divisors (see below), whose sum is σ = 305153014176. Its totient is φ = 101716375152.

The previous prime is 203434046521. The next prime is 203434046549. The reversal of 203434046542 is 245640434302.

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

It is a super-2 number, since 2×203434046542² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203434046549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342523 + ... + 724009.

It is an arithmetic number, because the mean of its divisors is an integer number (38144126772).

Almost surely, 2^203434046542 is an apocalyptic number.

203434046542 is a deficient number, since it is larger than the sum of its proper divisors (101718967634).

203434046542 is a wasteful number, since it uses less digits than its factorization.

203434046542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648122.

The product of its (nonzero) digits is 276480, while the sum is 37.

The spelling of 203434046542 in words is "two hundred three billion, four hundred thirty-four million, forty-six thousand, five hundred forty-two".