203122403421422 has 8 divisors (see below), whose sum is σ = 311769270367896. Its totient is φ = 99199313298792.

The previous prime is 203122403421419. The next prime is 203122403421481. The reversal of 203122403421422 is 224124304221302.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1180944205853 + ... + 1180944206024.

It is an arithmetic number, because the mean of its divisors is an integer number (38971158795987).

Almost surely, 2^{203122403421422} is an apocalyptic number.

203122403421422 is a deficient number, since it is larger than the sum of its proper divisors (108646866946474).

203122403421422 is a wasteful number, since it uses less digits than its factorization.

203122403421422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361888411922.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 203122403421422 its reverse (224124304221302), we get a palindrome (427246707642724).

The spelling of 203122403421422 in words is "two hundred three trillion, one hundred twenty-two billion, four hundred three million, four hundred twenty-one thousand, four hundred twenty-two".