503233423445 has 16 divisors (see below), whose sum is σ = 673055231040. Its totient is φ = 358962787584.

The previous prime is 503233423397. The next prime is 503233423463. The reversal of 503233423445 is 544324332305.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-503233423445 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 503233423399 and 503233423408.

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, 155798207 + ... + 155801436.

It is an arithmetic number, because the mean of its divisors is an integer number (42065951940).

Almost surely, 2^503233423445 is an apocalyptic number.

It is an amenable number.

503233423445 is a deficient number, since it is larger than the sum of its proper divisors (169821807595).

503233423445 is a wasteful number, since it uses less digits than its factorization.

503233423445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311599684.

The product of its (nonzero) digits is 518400, while the sum is 38.

The spelling of 503233423445 in words is "five hundred three billion, two hundred thirty-three million, four hundred twenty-three thousand, four hundred forty-five".