4427623 has 2 divisors, whose sum is σ = 4427624. Its totient is φ = 4427622.

The previous prime is 4427617. The next prime is 4427629. The reversal of 4427623 is 3267244.

It is a balanced prime because it is at equal distance from previous prime (4427617) and next prime (4427629).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4427623 is a prime.

4427623 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4427591 and 4427600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4427629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2213811 + 2213812.

It is an arithmetic number, because the mean of its divisors is an integer number (2213812).

Almost surely, 2^4427623 is an apocalyptic number.

4427623 is a deficient number, since it is larger than the sum of its proper divisors (1).

4427623 is an equidigital number, since it uses as much as digits as its factorization.

4427623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 28.

The square root of 4427623 is about 2104.1917688272. The cubic root of 4427623 is about 164.2064497994.

It can be divided in two parts, 4427 and 623, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 4427623 in words is "four million, four hundred twenty-seven thousand, six hundred twenty-three".