1423417266 has 128 divisors (see below), whose sum is σ = 3421440000. Its totient is φ = 437633280.

The previous prime is 1423417217. The next prime is 1423417273. The reversal of 1423417266 is 6627143241.

1423417266 is a `hidden beast` number, since 1 + 423 + 4 + 172 + 66 = 666.

It is a super-2 number, since 2×1423417266² = 4052233426293829512, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1423417266.

It is an unprimeable number.

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 in 63 ways as a sum of consecutive naturals, for example, 5291380 + ... + 5291648.

It is an arithmetic number, because the mean of its divisors is an integer number (26730000).

Almost surely, 2^1423417266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423417266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1710720000).

1423417266 is an abundant number, since it is smaller than the sum of its proper divisors (1998022734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423417266 is a wasteful number, since it uses less digits than its factorization.

1423417266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449 (or 443 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 1423417266 is about 37728.2025280824. The cubic root of 1423417266 is about 1124.8917798122.

The spelling of 1423417266 in words is "one billion, four hundred twenty-three million, four hundred seventeen thousand, two hundred sixty-six".