2664923 has 2 divisors, whose sum is σ = 2664924. Its totient is φ = 2664922.

The previous prime is 2664911. The next prime is 2664929. The reversal of 2664923 is 3294662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2664923 - 2⁶ = 2664859 is a prime.

It is equal to p₁₉₄₂₇₉ and since 2664923 and 194279 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2664923.

It is not a weakly prime, because it can be changed into another prime (2664929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332461 + 1332462.

It is an arithmetic number, because the mean of its divisors is an integer number (1332462).

2^2664923 is an apocalyptic number.

2664923 is a deficient number, since it is larger than the sum of its proper divisors (1).

2664923 is an equidigital number, since it uses as much as digits as its factorization.

2664923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

The square root of 2664923 is about 1632.4591878513. The cubic root of 2664923 is about 138.6420235064.

The spelling of 2664923 in words is "two million, six hundred sixty-four thousand, nine hundred twenty-three".