14423978 has 8 divisors (see below), whose sum is σ = 21910080. Its totient is φ = 7120620.

The previous prime is 14423977. The next prime is 14423993. The reversal of 14423978 is 87932441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×14423978² = 416102282688968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14423977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45488 + ... + 45803.

It is an arithmetic number, because the mean of its divisors is an integer number (2738760).

Almost surely, 2^14423978 is an apocalyptic number.

14423978 is a deficient number, since it is larger than the sum of its proper divisors (7486102).

14423978 is an equidigital number, since it uses as much as digits as its factorization.

14423978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91372.

The product of its digits is 48384, while the sum is 38.

The square root of 14423978 is about 3797.8912570004. The cubic root of 14423978 is about 243.4230410885.

The spelling of 14423978 in words is "fourteen million, four hundred twenty-three thousand, nine hundred seventy-eight".