501436325023 has 2 divisors, whose sum is σ = 501436325024. Its totient is φ = 501436325022.

The previous prime is 501436325009. The next prime is 501436325063. The reversal of 501436325023 is 320523634105.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 501436325023 - 2¹³ = 501436316831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 501436325023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501436325063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250718162511 + 250718162512.

It is an arithmetic number, because the mean of its divisors is an integer number (250718162512).

Almost surely, 2^501436325023 is an apocalyptic number.

501436325023 is a deficient number, since it is larger than the sum of its proper divisors (1).

501436325023 is an equidigital number, since it uses as much as digits as its factorization.

501436325023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 501436325023 its reverse (320523634105), we get a palindrome (821959959128).

The spelling of 501436325023 in words is "five hundred one billion, four hundred thirty-six million, three hundred twenty-five thousand, twenty-three".