2345663 has 8 divisors (see below), whose sum is σ = 2419200. Its totient is φ = 2273368.

The previous prime is 2345659. The next prime is 2345669. The reversal of 2345663 is 3665432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2345663 - 2² = 2345659 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 3³ + 4⁹ + 5⁷ + 6² + 6⁷ + 3¹³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4658 + ... + 5136.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

2^2345663 is an apocalyptic number.

2345663 is a deficient number, since it is larger than the sum of its proper divisors (73537).

2345663 is an equidigital number, since it uses as much as digits as its factorization.

2345663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621.

The product of its digits is 12960, while the sum is 29.

The square root of 2345663 is about 1531.5557449861. Note that the first 3 decimals coincide. The cubic root of 2345663 is about 132.8684511569.

The spelling of 2345663 in words is "two million, three hundred forty-five thousand, six hundred sixty-three".