2659923 has 12 divisors (see below), whose sum is σ = 4391088. Its totient is φ = 1519920.

The previous prime is 2659903. The next prime is 2659931. The reversal of 2659923 is 3299562.

It is not a de Polignac number, because 2659923 - 2⁶ = 2659859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2659903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21048 + ... + 21173.

It is an arithmetic number, because the mean of its divisors is an integer number (365924).

2^2659923 is an apocalyptic number.

2659923 is a deficient number, since it is larger than the sum of its proper divisors (1731165).

2659923 is a wasteful number, since it uses less digits than its factorization.

2659923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42234 (or 42231 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 2659923 is about 1630.9270369946. The cubic root of 2659923 is about 138.5552612611. Note that the first 3 decimals are identical.

The spelling of 2659923 in words is "two million, six hundred fifty-nine thousand, nine hundred twenty-three".