501799423 has 2 divisors, whose sum is σ = 501799424. Its totient is φ = 501799422.

The previous prime is 501799399. The next prime is 501799427. The reversal of 501799423 is 324997105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 501799423 - 2¹³ = 501791231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501799427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250899711 + 250899712.

It is an arithmetic number, because the mean of its divisors is an integer number (250899712).

Almost surely, 2^501799423 is an apocalyptic number.

501799423 is a deficient number, since it is larger than the sum of its proper divisors (1).

501799423 is an equidigital number, since it uses as much as digits as its factorization.

501799423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 501799423 is about 22400.8799603944. The cubic root of 501799423 is about 794.6515213872.

The spelling of 501799423 in words is "five hundred one million, seven hundred ninety-nine thousand, four hundred twenty-three".