1326423 has 16 divisors (see below), whose sum is σ = 2048256. Its totient is φ = 747840.

The previous prime is 1326419. The next prime is 1326427. The reversal of 1326423 is 3246231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1326419) and next prime (1326427).

It is not a de Polignac number, because 1326423 - 2² = 1326419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1326423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326427) 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, 1363 + ... + 2123.

It is an arithmetic number, because the mean of its divisors is an integer number (128016).

2^1326423 is an apocalyptic number.

1326423 is a deficient number, since it is larger than the sum of its proper divisors (721833).

1326423 is an equidigital number, since it uses as much as digits as its factorization.

1326423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854.

The product of its digits is 864, while the sum is 21.

The square root of 1326423 is about 1151.7043891555. The cubic root of 1326423 is about 109.8737670397.

It can be divided in two parts, 132 and 6423, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 1326423 in words is "one million, three hundred twenty-six thousand, four hundred twenty-three".