203123414044 has 12 divisors (see below), whose sum is σ = 355469129568. Its totient is φ = 101560805600.

The previous prime is 203123414029. The next prime is 203123414071. The reversal of 203123414044 is 440414321302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 779229 + ... + 1006699.

It is an arithmetic number, because the mean of its divisors is an integer number (29622427464).

Almost surely, 2^203123414044 is an apocalyptic number.

It is an amenable number.

203123414044 is a deficient number, since it is larger than the sum of its proper divisors (152345715524).

203123414044 is a wasteful number, since it uses less digits than its factorization.

203123414044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450716 (or 450714 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 203123414044 its reverse (440414321302), we get a palindrome (643537735346).

The spelling of 203123414044 in words is "two hundred three billion, one hundred twenty-three million, four hundred fourteen thousand, forty-four".