1423272894 has 16 divisors (see below), whose sum is σ = 2907111168. Its totient is φ = 464330072.

The previous prime is 1423272889. The next prime is 1423272901. The reversal of 1423272894 is 4982723241.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2523252 + ... + 2523815.

It is an arithmetic number, because the mean of its divisors is an integer number (181694448).

Almost surely, 2^1423272894 is an apocalyptic number.

1423272894 is an abundant number, since it is smaller than the sum of its proper divisors (1483838274).

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

1423272894 is a wasteful number, since it uses less digits than its factorization.

1423272894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5047119.

The product of its digits is 193536, while the sum is 42.

The square root of 1423272894 is about 37726.2891628636. The cubic root of 1423272894 is about 1124.8537473086.

The spelling of 1423272894 in words is "one billion, four hundred twenty-three million, two hundred seventy-two thousand, eight hundred ninety-four".