500402421623 has 16 divisors (see below), whose sum is σ = 540639422400. Its totient is φ = 460415625984.

The previous prime is 500402421619. The next prime is 500402421653. The reversal of 500402421623 is 326124204005.

It is a cyclic number.

It is not a de Polignac number, because 500402421623 - 2² = 500402421619 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 (500402421613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13151915 + ... + 13189907.

It is an arithmetic number, because the mean of its divisors is an integer number (33789963900).

Almost surely, 2^500402421623 is an apocalyptic number.

500402421623 is a deficient number, since it is larger than the sum of its proper divisors (40237000777).

500402421623 is a wasteful number, since it uses less digits than its factorization.

500402421623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41258.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 500402421623 its reverse (326124204005), we get a palindrome (826526625628).

The spelling of 500402421623 in words is "five hundred billion, four hundred two million, four hundred twenty-one thousand, six hundred twenty-three".