203123044302 has 16 divisors (see below), whose sum is σ = 411140620800. Its totient is φ = 66891926072.

The previous prime is 203123044297. The next prime is 203123044337. The reversal of 203123044302 is 203440321302.

It is a super-2 number, since 2×203123044302² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 203938302 + ... + 203939297.

It is an arithmetic number, because the mean of its divisors is an integer number (25696288800).

Almost surely, 2^203123044302 is an apocalyptic number.

203123044302 is an abundant number, since it is smaller than the sum of its proper divisors (208017576498).

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

203123044302 is a wasteful number, since it uses less digits than its factorization.

203123044302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407877687.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 203123044302 its reverse (203440321302), we get a palindrome (406563365604).

The spelling of 203123044302 in words is "two hundred three billion, one hundred twenty-three million, forty-four thousand, three hundred two".