203323314044 has 48 divisors (see below), whose sum is σ = 363801715200. Its totient is φ = 99409440000.

The previous prime is 203323314037. The next prime is 203323314109. The reversal of 203323314044 is 440413323302.

It is a junction number, because it is equal to n+sod(n) for n = 203323313998 and 203323314016.

It is a congruent number.

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, 14190404 + ... + 14204724.

It is an arithmetic number, because the mean of its divisors is an integer number (7579202400).

Almost surely, 2^203323314044 is an apocalyptic number.

It is an amenable number.

203323314044 is a deficient number, since it is larger than the sum of its proper divisors (160478401156).

203323314044 is a wasteful number, since it uses less digits than its factorization.

203323314044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14834 (or 14832 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 203323314044 its reverse (440413323302), we get a palindrome (643736637346).

The spelling of 203323314044 in words is "two hundred three billion, three hundred twenty-three million, three hundred fourteen thousand, forty-four".