2318623 has 2 divisors, whose sum is σ = 2318624. Its totient is φ = 2318622.

The previous prime is 2318611. The next prime is 2318663. The reversal of 2318623 is 3268132.

2318623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2318623 - 2⁹ = 2318111 is a prime.

It is a super-2 number, since 2×2318623² = 10752025232258, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2318663) 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 as a sum of consecutive naturals, namely, 1159311 + 1159312.

It is an arithmetic number, because the mean of its divisors is an integer number (1159312).

2^2318623 is an apocalyptic number.

2318623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2318623 is an equidigital number, since it uses as much as digits as its factorization.

2318623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 2318623 is about 1522.7025316850. The cubic root of 2318623 is about 132.3559226595.

The spelling of 2318623 in words is "two million, three hundred eighteen thousand, six hundred twenty-three".