2646023 has 2 divisors, whose sum is σ = 2646024. Its totient is φ = 2646022.

The previous prime is 2646019. The next prime is 2646029. The reversal of 2646023 is 3206462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2646023 - 2² = 2646019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2646023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2646029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1323011 + 1323012.

It is an arithmetic number, because the mean of its divisors is an integer number (1323012).

2^2646023 is an apocalyptic number.

2646023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2646023 is an equidigital number, since it uses as much as digits as its factorization.

2646023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2646023 is about 1626.6600751233. The cubic root of 2646023 is about 138.3134895166.

The spelling of 2646023 in words is "two million, six hundred forty-six thousand, twenty-three".