1126423 has 4 divisors (see below), whose sum is σ = 1129968. Its totient is φ = 1122880.

The previous prime is 1126421. The next prime is 1126439. The reversal of 1126423 is 3246211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3246211 = 223 ⋅14557.

It is a cyclic number.

It is not a de Polignac number, because 1126423 - 2¹ = 1126421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1126423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1243 + ... + 1948.

It is an arithmetic number, because the mean of its divisors is an integer number (282492).

2^1126423 is an apocalyptic number.

1126423 is a deficient number, since it is larger than the sum of its proper divisors (3545).

1126423 is an equidigital number, since it uses as much as digits as its factorization.

1126423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544.

The product of its digits is 288, while the sum is 19.

The square root of 1126423 is about 1061.3307684224. The cubic root of 1126423 is about 104.0480239252.

The spelling of 1126423 in words is "one million, one hundred twenty-six thousand, four hundred twenty-three".