1426881823 has 2 divisors, whose sum is σ = 1426881824. Its totient is φ = 1426881822.

The previous prime is 1426881811. The next prime is 1426881829. The reversal of 1426881823 is 3281886241.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3281886241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1426881823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1426881823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1426881829) 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, 713440911 + 713440912.

It is an arithmetic number, because the mean of its divisors is an integer number (713440912).

Almost surely, 2^1426881823 is an apocalyptic number.

1426881823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426881823 is an equidigital number, since it uses as much as digits as its factorization.

1426881823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 147456, while the sum is 43.

The square root of 1426881823 is about 37774.0893073546. The cubic root of 1426881823 is about 1125.8036918516.

The spelling of 1426881823 in words is "one billion, four hundred twenty-six million, eight hundred eighty-one thousand, eight hundred twenty-three".