501928423 has 4 divisors (see below), whose sum is σ = 509419960. Its totient is φ = 494436888.

The previous prime is 501928411. The next prime is 501928429. The reversal of 501928423 is 324829105.

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 501928423 - 2¹³ = 501920231 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 (501928429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3745668 + ... + 3745801.

It is an arithmetic number, because the mean of its divisors is an integer number (127354990).

Almost surely, 2^501928423 is an apocalyptic number.

501928423 is a deficient number, since it is larger than the sum of its proper divisors (7491537).

501928423 is an equidigital number, since it uses as much as digits as its factorization.

501928423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7491536.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 501928423 is about 22403.7591265395. The cubic root of 501928423 is about 794.7196105204.

The spelling of 501928423 in words is "five hundred one million, nine hundred twenty-eight thousand, four hundred twenty-three".