11847319423 has 2 divisors, whose sum is σ = 11847319424. Its totient is φ = 11847319422.

The previous prime is 11847319417. The next prime is 11847319433. The reversal of 11847319423 is 32491374811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11847319423 - 2⁹ = 11847318911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11847319423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11847319403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5923659711 + 5923659712.

It is an arithmetic number, because the mean of its divisors is an integer number (5923659712).

Almost surely, 2^11847319423 is an apocalyptic number.

11847319423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11847319423 is an equidigital number, since it uses as much as digits as its factorization.

11847319423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The spelling of 11847319423 in words is "eleven billion, eight hundred forty-seven million, three hundred nineteen thousand, four hundred twenty-three".