203122322002123 has 4 divisors (see below), whose sum is σ = 203125312373200. Its totient is φ = 203119331631048.

The previous prime is 203122322002069. The next prime is 203122322002157. The reversal of 203122322002123 is 321200223221302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 203122322002123 - 2¹³ = 203122321993931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203122322000123) 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, 1495083648 + ... + 1495219501.

It is an arithmetic number, because the mean of its divisors is an integer number (50781328093300).

Almost surely, 2^{203122322002123} is an apocalyptic number.

203122322002123 is a deficient number, since it is larger than the sum of its proper divisors (2990371077).

203122322002123 is an equidigital number, since it uses as much as digits as its factorization.

203122322002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990371076.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 203122322002123 its reverse (321200223221302), we get a palindrome (524322545223425).

The spelling of 203122322002123 in words is "two hundred three trillion, one hundred twenty-two billion, three hundred twenty-two million, two thousand, one hundred twenty-three".