2423723 has 4 divisors (see below), whose sum is σ = 2428440. Its totient is φ = 2419008.

The previous prime is 2423711. The next prime is 2423731. The reversal of 2423723 is 3273242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2423723 - 2¹⁰ = 2422699 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁹ + 4⁵ + 2¹⁷ + 3² + 7⁵ + 2²¹ + 3¹¹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2423753) 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, 1478 + ... + 2651.

It is an arithmetic number, because the mean of its divisors is an integer number (607110).

2^2423723 is an apocalyptic number.

2423723 is a deficient number, since it is larger than the sum of its proper divisors (4717).

2423723 is an equidigital number, since it uses as much as digits as its factorization.

2423723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4716.

The product of its digits is 2016, while the sum is 23.

The square root of 2423723 is about 1556.8310762572. The cubic root of 2423723 is about 134.3262821772.

Adding to 2423723 its reverse (3273242), we get a palindrome (5696965).

The spelling of 2423723 in words is "two million, four hundred twenty-three thousand, seven hundred twenty-three".