2423813 has 4 divisors (see below), whose sum is σ = 2770080. Its totient is φ = 2077548.

The previous prime is 2423807. The next prime is 2423821. The reversal of 2423813 is 3183242.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3183242 = 2 ⋅1591621.

It is a cyclic number.

It is not a de Polignac number, because 2423813 - 2¹² = 2419717 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 4⁷ + 2¹⁷ + 3² + 8⁷ + 1 + 3¹¹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2423803) 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, 173123 + ... + 173136.

It is an arithmetic number, because the mean of its divisors is an integer number (692520).

2^2423813 is an apocalyptic number.

It is an amenable number.

2423813 is a deficient number, since it is larger than the sum of its proper divisors (346267).

2423813 is an equidigital number, since it uses as much as digits as its factorization.

2423813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346266.

The product of its digits is 1152, while the sum is 23.

The square root of 2423813 is about 1556.8599808589. The cubic root of 2423813 is about 134.3279448006.

The spelling of 2423813 in words is "two million, four hundred twenty-three thousand, eight hundred thirteen".