465143420023 has 2 divisors, whose sum is σ = 465143420024. Its totient is φ = 465143420022.

The previous prime is 465143420009. The next prime is 465143420083. The reversal of 465143420023 is 320024341564.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-465143420023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (465143420083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232571710011 + 232571710012.

It is an arithmetic number, because the mean of its divisors is an integer number (232571710012).

Almost surely, 2^465143420023 is an apocalyptic number.

465143420023 is a deficient number, since it is larger than the sum of its proper divisors (1).

465143420023 is an equidigital number, since it uses as much as digits as its factorization.

465143420023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 465143420023 its reverse (320024341564), we get a palindrome (785167761587).

The spelling of 465143420023 in words is "four hundred sixty-five billion, one hundred forty-three million, four hundred twenty thousand, twenty-three".