2864023 has 2 divisors, whose sum is σ = 2864024. Its totient is φ = 2864022.

The previous prime is 2864021. The next prime is 2864027. The reversal of 2864023 is 3204682.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2864023 - 2¹ = 2864021 is a prime.

Together with 2864021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2864021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1432011 + 1432012.

It is an arithmetic number, because the mean of its divisors is an integer number (1432012).

2^2864023 is an apocalyptic number.

2864023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2864023 is an equidigital number, since it uses as much as digits as its factorization.

2864023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2864023 is about 1692.3424594331. The cubic root of 2864023 is about 142.0121493275.

The spelling of 2864023 in words is "two million, eight hundred sixty-four thousand, twenty-three".