503454323 has 4 divisors (see below), whose sum is σ = 508073280. Its totient is φ = 498835368.

The previous prime is 503454317. The next prime is 503454331. The reversal of 503454323 is 323454305.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323454305 = 5 ⋅64690861.

It is a cyclic number.

It is not a de Polignac number, because 503454323 - 2²² = 499260019 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503454023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2309315 + ... + 2309532.

It is an arithmetic number, because the mean of its divisors is an integer number (127018320).

Almost surely, 2^503454323 is an apocalyptic number.

503454323 is a deficient number, since it is larger than the sum of its proper divisors (4618957).

503454323 is a wasteful number, since it uses less digits than its factorization.

503454323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4618956.

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 503454323 is about 22437.7878365939. The cubic root of 503454323 is about 795.5241315156.

The spelling of 503454323 in words is "five hundred three million, four hundred fifty-four thousand, three hundred twenty-three".