503223545 has 32 divisors (see below), whose sum is σ = 714583296. Its totient is φ = 336025600.

The previous prime is 503223541. The next prime is 503223551. The reversal of 503223545 is 545322305.

It is not a de Polignac number, because 503223545 - 2² = 503223541 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503223541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31772 + ... + 44898.

It is an arithmetic number, because the mean of its divisors is an integer number (22330728).

Almost surely, 2^503223545 is an apocalyptic number.

503223545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

503223545 is a deficient number, since it is larger than the sum of its proper divisors (211359751).

503223545 is a wasteful number, since it uses less digits than its factorization.

503223545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13201.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 503223545 is about 22432.6446278632. The cubic root of 503223545 is about 795.4025597274.

The spelling of 503223545 in words is "five hundred three million, two hundred twenty-three thousand, five hundred forty-five".