2308723 has 2 divisors, whose sum is σ = 2308724. Its totient is φ = 2308722.

The previous prime is 2308721. The next prime is 2308727. The reversal of 2308723 is 3278032.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2308723 - 2¹ = 2308721 is a prime.

Together with 2308721, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2308721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1154361 + 1154362.

It is an arithmetic number, because the mean of its divisors is an integer number (1154362).

2^2308723 is an apocalyptic number.

2308723 is a deficient number, since it is larger than the sum of its proper divisors (1).

2308723 is an equidigital number, since it uses as much as digits as its factorization.

2308723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 2308723 is about 1519.4482551242. The cubic root of 2308723 is about 132.1672772149.

The spelling of 2308723 in words is "two million, three hundred eight thousand, seven hundred twenty-three".