203403426142 has 16 divisors (see below), whose sum is σ = 348717173760. Its totient is φ = 87166500408.

The previous prime is 203403426067. The next prime is 203403426169. The reversal of 203403426142 is 241624304302.

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, 332842 + ... + 719437.

It is an arithmetic number, because the mean of its divisors is an integer number (21794823360).

Almost surely, 2^203403426142 is an apocalyptic number.

203403426142 is a deficient number, since it is larger than the sum of its proper divisors (145313747618).

203403426142 is a wasteful number, since it uses less digits than its factorization.

203403426142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066095.

The product of its (nonzero) digits is 27648, while the sum is 31.

The spelling of 203403426142 in words is "two hundred three billion, four hundred three million, four hundred twenty-six thousand, one hundred forty-two".