423268713391 has 2 divisors, whose sum is σ = 423268713392. Its totient is φ = 423268713390.

The previous prime is 423268713389. The next prime is 423268713407. The reversal of 423268713391 is 193317862324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423268713391 - 2¹ = 423268713389 is a prime.

Together with 423268713389, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423268713691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211634356695 + 211634356696.

It is an arithmetic number, because the mean of its divisors is an integer number (211634356696).

Almost surely, 2^423268713391 is an apocalyptic number.

423268713391 is a deficient number, since it is larger than the sum of its proper divisors (1).

423268713391 is an equidigital number, since it uses as much as digits as its factorization.

423268713391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 49.

The spelling of 423268713391 in words is "four hundred twenty-three billion, two hundred sixty-eight million, seven hundred thirteen thousand, three hundred ninety-one".