2312723 has 4 divisors (see below), whose sum is σ = 2643120. Its totient is φ = 1982328.

The previous prime is 2312711. The next prime is 2312747. The reversal of 2312723 is 3272132.

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 2312723 - 2⁴ = 2312707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2312695 and 2312704.

It is not an unprimeable number, because it can be changed into a prime (2312753) 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, 165188 + ... + 165201.

It is an arithmetic number, because the mean of its divisors is an integer number (660780).

2^2312723 is an apocalyptic number.

2312723 is a deficient number, since it is larger than the sum of its proper divisors (330397).

2312723 is an equidigital number, since it uses as much as digits as its factorization.

2312723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330396.

The product of its digits is 504, while the sum is 20.

The square root of 2312723 is about 1520.7639527553. The cubic root of 2312723 is about 132.2435624002.

Adding to 2312723 its reverse (3272132), we get a palindrome (5584855).

The spelling of 2312723 in words is "two million, three hundred twelve thousand, seven hundred twenty-three".