203123044122 has 32 divisors (see below), whose sum is σ = 419709364224. Its totient is φ = 65467537200.

The previous prime is 203123044099. The next prime is 203123044133. The reversal of 203123044122 is 221440321302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 203123044092 and 203123044101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248488 + ... + 684099.

It is an arithmetic number, because the mean of its divisors is an integer number (13115917632).

Almost surely, 2^203123044122 is an apocalyptic number.

203123044122 is an abundant number, since it is smaller than the sum of its proper divisors (216586320102).

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

203123044122 is a wasteful number, since it uses less digits than its factorization.

203123044122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933794.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 203123044122 its reverse (221440321302), we get a palindrome (424563365424).

The spelling of 203123044122 in words is "two hundred three billion, one hundred twenty-three million, forty-four thousand, one hundred twenty-two".