2318923 has 2 divisors, whose sum is σ = 2318924. Its totient is φ = 2318922.

The previous prime is 2318917. The next prime is 2318951. The reversal of 2318923 is 3298132.

It is an a-pointer prime, because the next prime (2318951) can be obtained adding 2318923 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2318923 - 2⁵ = 2318891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2318891 and 2318900.

It is not a weakly prime, because it can be changed into another prime (2318623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1159461 + 1159462.

It is an arithmetic number, because the mean of its divisors is an integer number (1159462).

2^2318923 is an apocalyptic number.

2318923 is a deficient number, since it is larger than the sum of its proper divisors (1).

2318923 is an equidigital number, since it uses as much as digits as its factorization.

2318923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 28.

The square root of 2318923 is about 1522.8010375620. The cubic root of 2318923 is about 132.3616307981.

The spelling of 2318923 in words is "two million, three hundred eighteen thousand, nine hundred twenty-three".