203123342422 has 64 divisors (see below), whose sum is σ = 409182681600. Its totient is φ = 73034369280.

The previous prime is 203123342393. The next prime is 203123342449. The reversal of 203123342422 is 224243321302.

203123342422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11320354 + ... + 11338282.

It is an arithmetic number, because the mean of its divisors is an integer number (6393479400).

Almost surely, 2^203123342422 is an apocalyptic number.

203123342422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

203123342422 is an abundant number, since it is smaller than the sum of its proper divisors (206059339178).

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

203123342422 is a wasteful number, since it uses less digits than its factorization.

203123342422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23621.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 203123342422 its reverse (224243321302), we get a palindrome (427366663724).

It can be divided in two parts, 203123 and 342422, that added together give a palindrome (545545).

The spelling of 203123342422 in words is "two hundred three billion, one hundred twenty-three million, three hundred forty-two thousand, four hundred twenty-two".