503402230343 has 4 divisors (see below), whose sum is σ = 503451831888. Its totient is φ = 503352628800.

The previous prime is 503402230337. The next prime is 503402230361. The reversal of 503402230343 is 343032204305.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 503402230343 - 2²⁶ = 503335121479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503402230333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24785546 + ... + 24805847.

It is an arithmetic number, because the mean of its divisors is an integer number (125862957972).

Almost surely, 2^503402230343 is an apocalyptic number.

503402230343 is a deficient number, since it is larger than the sum of its proper divisors (49601545).

503402230343 is a wasteful number, since it uses less digits than its factorization.

503402230343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49601544.

The product of its (nonzero) digits is 25920, while the sum is 29.

Adding to 503402230343 its reverse (343032204305), we get a palindrome (846434434648).

The spelling of 503402230343 in words is "five hundred three billion, four hundred two million, two hundred thirty thousand, three hundred forty-three".