1164423 has 16 divisors (see below), whose sum is σ = 1699040. Its totient is φ = 705024.

The previous prime is 1164419. The next prime is 1164431. The reversal of 1164423 is 3244611.

It is not a de Polignac number, because 1164423 - 2² = 1164419 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 1164423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164413) 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, 2643 + ... + 3051.

It is an arithmetic number, because the mean of its divisors is an integer number (106190).

2^1164423 is an apocalyptic number.

1164423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1164423 is a deficient number, since it is larger than the sum of its proper divisors (534617).

1164423 is a wasteful number, since it uses less digits than its factorization.

1164423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498.

The product of its digits is 576, while the sum is 21.

The square root of 1164423 is about 1079.0843340536. The cubic root of 1164423 is about 105.2051318657.

The spelling of 1164423 in words is "one million, one hundred sixty-four thousand, four hundred twenty-three".