1423378 has 32 divisors (see below), whose sum is σ = 2540160. Its totient is φ = 591360.

The previous prime is 1423369. The next prime is 1423379. The reversal of 1423378 is 8733241.

It is not an unprimeable number, because it can be changed into a prime (1423379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14626 + ... + 14722.

It is an arithmetic number, because the mean of its divisors is an integer number (79380).

2^1423378 is an apocalyptic number.

1423378 is a deficient number, since it is larger than the sum of its proper divisors (1116782).

1423378 is a wasteful number, since it uses less digits than its factorization.

1423378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162.

The product of its digits is 4032, while the sum is 28.

The square root of 1423378 is about 1193.0540641564. The cubic root of 1423378 is about 112.4881436065.

The spelling of 1423378 in words is "one million, four hundred twenty-three thousand, three hundred seventy-eight".