1319795623 has 2 divisors, whose sum is σ = 1319795624. Its totient is φ = 1319795622.

The previous prime is 1319795621. The next prime is 1319795627. The reversal of 1319795623 is 3265979131.

It is a weak prime.

It is an emirp because it is prime and its reverse (3265979131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1319795623 - 2¹ = 1319795621 is a prime.

Together with 1319795621, 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 (1319795621) 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, 659897811 + 659897812.

It is an arithmetic number, because the mean of its divisors is an integer number (659897812).

Almost surely, 2^1319795623 is an apocalyptic number.

1319795623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1319795623 is an equidigital number, since it uses as much as digits as its factorization.

1319795623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 46.

The square root of 1319795623 is about 36328.9914943974. The cubic root of 1319795623 is about 1096.9046930033.

The spelling of 1319795623 in words is "one billion, three hundred nineteen million, seven hundred ninety-five thousand, six hundred twenty-three".