203422304542 has 8 divisors (see below), whose sum is σ = 305369815032. Its totient is φ = 101632366200.

The previous prime is 203422304473. The next prime is 203422304549. The reversal of 203422304542 is 245403224302.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203422304549) 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, 39389809 + ... + 39394972.

It is an arithmetic number, because the mean of its divisors is an integer number (38171226879).

Almost surely, 2^203422304542 is an apocalyptic number.

203422304542 is a deficient number, since it is larger than the sum of its proper divisors (101947510490).

203422304542 is a wasteful number, since it uses less digits than its factorization.

203422304542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78786074.

The product of its (nonzero) digits is 46080, while the sum is 31.

Adding to 203422304542 its reverse (245403224302), we get a palindrome (448825528844).

The spelling of 203422304542 in words is "two hundred three billion, four hundred twenty-two million, three hundred four thousand, five hundred forty-two".