319963706423 has 2 divisors, whose sum is σ = 319963706424. Its totient is φ = 319963706422.

The previous prime is 319963706357. The next prime is 319963706473. The reversal of 319963706423 is 324607369913.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-319963706423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319963706473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159981853211 + 159981853212.

It is an arithmetic number, because the mean of its divisors is an integer number (159981853212).

Almost surely, 2^319963706423 is an apocalyptic number.

319963706423 is a deficient number, since it is larger than the sum of its proper divisors (1).

319963706423 is an equidigital number, since it uses as much as digits as its factorization.

319963706423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4408992, while the sum is 53.

The spelling of 319963706423 in words is "three hundred nineteen billion, nine hundred sixty-three million, seven hundred six thousand, four hundred twenty-three".