1423019 has 16 divisors (see below), whose sum is σ = 1669248. Its totient is φ = 1201152.

The previous prime is 1423003. The next prime is 1423039. The reversal of 1423019 is 9103241.

It is not a de Polignac number, because 1423019 - 2⁴ = 1423003 is a prime.

It is a super-2 number, since 2×1423019² = 4049966148722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423039) 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 15 ways as a sum of consecutive naturals, for example, 10319 + ... + 10455.

It is an arithmetic number, because the mean of its divisors is an integer number (104328).

2^1423019 is an apocalyptic number.

1423019 is a deficient number, since it is larger than the sum of its proper divisors (246229).

1423019 is a wasteful number, since it uses less digits than its factorization.

1423019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1423019 is about 1192.9036004640. The cubic root of 1423019 is about 112.4786856740.

The spelling of 1423019 in words is "one million, four hundred twenty-three thousand, nineteen".