1842423 has 16 divisors (see below), whose sum is σ = 2767872. Its totient is φ = 1080000.

The previous prime is 1842419. The next prime is 1842431. The reversal of 1842423 is 3242481.

It is not a de Polignac number, because 1842423 - 2² = 1842419 is a prime.

1842423 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1842393 and 1842402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1842413) 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, 123 + ... + 1923.

It is an arithmetic number, because the mean of its divisors is an integer number (172992).

2^1842423 is an apocalyptic number.

1842423 is a deficient number, since it is larger than the sum of its proper divisors (925449).

1842423 is a wasteful number, since it uses less digits than its factorization.

1842423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846.

The product of its digits is 1536, while the sum is 24.

The square root of 1842423 is about 1357.3588324389. The cubic root of 1842423 is about 122.5922781032.

The spelling of 1842423 in words is "one million, eight hundred forty-two thousand, four hundred twenty-three".