1426858887223 has 24 divisors (see below), whose sum is σ = 1917219986064. Its totient is φ = 1046435846400.

The previous prime is 1426858887221. The next prime is 1426858887299. The reversal of 1426858887223 is 3227888586241.

It is a happy number.

It is not a de Polignac number, because 1426858887223 - 2¹ = 1426858887221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426858887221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77850648 + ... + 77868973.

It is an arithmetic number, because the mean of its divisors is an integer number (79884166086).

Almost surely, 2^{1426858887223} is an apocalyptic number.

1426858887223 is a deficient number, since it is larger than the sum of its proper divisors (490361098841).

1426858887223 is a wasteful number, since it uses less digits than its factorization.

1426858887223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155719663 (or 155719656 counting only the distinct ones).

The product of its digits is 82575360, while the sum is 64.

The spelling of 1426858887223 in words is "one trillion, four hundred twenty-six billion, eight hundred fifty-eight million, eight hundred eighty-seven thousand, two hundred twenty-three".