2123203042422 has 72 divisors (see below), whose sum is σ = 5778855705168. Its totient is φ = 551481305760.

The previous prime is 2123203042381. The next prime is 2123203042487. The reversal of 2123203042422 is 2242403023212.

2123203042422 is a `hidden beast` number, since 2 + 1 + 232 + 0 + 3 + 0 + 4 + 2 + 422 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 69616233 + ... + 69646724.

It is an arithmetic number, because the mean of its divisors is an integer number (80261884794).

Almost surely, 2^{2123203042422} is an apocalyptic number.

2123203042422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2123203042422 is an abundant number, since it is smaller than the sum of its proper divisors (3655652662746).

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

2123203042422 is a wasteful number, since it uses less digits than its factorization.

2123203042422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139262994 (or 139262980 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 2123203042422 its reverse (2242403023212), we get a palindrome (4365606065634).

The spelling of 2123203042422 in words is "two trillion, one hundred twenty-three billion, two hundred three million, forty-two thousand, four hundred twenty-two".