2618923 has 2 divisors, whose sum is σ = 2618924. Its totient is φ = 2618922.

The previous prime is 2618909. The next prime is 2618927. The reversal of 2618923 is 3298162.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2618923 - 2⁹ = 2618411 is a prime.

It is not a weakly prime, because it can be changed into another prime (2618927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1309461 + 1309462.

It is an arithmetic number, because the mean of its divisors is an integer number (1309462).

2^2618923 is an apocalyptic number.

2618923 is a deficient number, since it is larger than the sum of its proper divisors (1).

2618923 is an equidigital number, since it uses as much as digits as its factorization.

2618923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 2618923 is about 1618.3086850166. The cubic root of 2618923 is about 137.8396758863.

The spelling of 2618923 in words is "two million, six hundred eighteen thousand, nine hundred twenty-three".