423436896737 has 2 divisors, whose sum is σ = 423436896738. Its totient is φ = 423436896736.

The previous prime is 423436896691. The next prime is 423436896739. The reversal of 423436896737 is 737698634324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 283679803456 + 139757093281 = 532616^2 + 373841^2 .

It is a cyclic number.

It is not a de Polignac number, because 423436896737 - 2²⁸ = 423168461281 is a prime.

Together with 423436896739, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423436896737.

It is not a weakly prime, because it can be changed into another prime (423436896739) 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 as a sum of consecutive naturals, namely, 211718448368 + 211718448369.

It is an arithmetic number, because the mean of its divisors is an integer number (211718448369).

Almost surely, 2^423436896737 is an apocalyptic number.

It is an amenable number.

423436896737 is a deficient number, since it is larger than the sum of its proper divisors (1).

423436896737 is an equidigital number, since it uses as much as digits as its factorization.

423436896737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 109734912, while the sum is 62.

The spelling of 423436896737 in words is "four hundred twenty-three billion, four hundred thirty-six million, eight hundred ninety-six thousand, seven hundred thirty-seven".