502430423 has 48 divisors (see below), whose sum is σ = 624015360. Its totient is φ = 399537600.

The previous prime is 502430419. The next prime is 502430429. The reversal of 502430423 is 324034205.

It is not a de Polignac number, because 502430423 - 2² = 502430419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502430429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10689986 + ... + 10690032.

It is an arithmetic number, because the mean of its divisors is an integer number (13000320).

Almost surely, 2^502430423 is an apocalyptic number.

502430423 is a deficient number, since it is larger than the sum of its proper divisors (121584937).

502430423 is a wasteful number, since it uses less digits than its factorization.

502430423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 502430423 is about 22414.9598036668. The cubic root of 502430423 is about 794.9844665557.

Adding to 502430423 its reverse (324034205), we get a palindrome (826464628).

The spelling of 502430423 in words is "five hundred two million, four hundred thirty thousand, four hundred twenty-three".