4559623 has 2 divisors, whose sum is σ = 4559624. Its totient is φ = 4559622.

The previous prime is 4559609. The next prime is 4559629. The reversal of 4559623 is 3269554.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4559623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4559629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2279811 + 2279812.

It is an arithmetic number, because the mean of its divisors is an integer number (2279812).

Almost surely, 2^4559623 is an apocalyptic number.

4559623 is a deficient number, since it is larger than the sum of its proper divisors (1).

4559623 is an equidigital number, since it uses as much as digits as its factorization.

4559623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 34.

The square root of 4559623 is about 2135.3273753689. The cubic root of 4559623 is about 165.8223167742.

The spelling of 4559623 in words is "four million, five hundred fifty-nine thousand, six hundred twenty-three".