1823113 has 4 divisors (see below), whose sum is σ = 1826320. Its totient is φ = 1819908.

The previous prime is 1823099. The next prime is 1823117. The reversal of 1823113 is 3113281.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1823113 - 2¹³ = 1814921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1823117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495 + ... + 1972.

It is an arithmetic number, because the mean of its divisors is an integer number (456580).

2^1823113 is an apocalyptic number.

It is an amenable number.

1823113 is a deficient number, since it is larger than the sum of its proper divisors (3207).

1823113 is an equidigital number, since it uses as much as digits as its factorization.

1823113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3206.

The product of its digits is 144, while the sum is 19.

The square root of 1823113 is about 1350.2270179492. The cubic root of 1823113 is about 122.1624861746.

Adding to 1823113 its reverse (3113281), we get a palindrome (4936394).

It can be divided in two parts, 1823 and 113, that added together give a square (1936 = 44²).

The spelling of 1823113 in words is "one million, eight hundred twenty-three thousand, one hundred thirteen".