4400923 has 2 divisors, whose sum is σ = 4400924. Its totient is φ = 4400922.

The previous prime is 4400917. The next prime is 4400927. The reversal of 4400923 is 3290044.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4400923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4400894 and 4400903.

It is not a weakly prime, because it can be changed into another prime (4400927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200461 + 2200462.

It is an arithmetic number, because the mean of its divisors is an integer number (2200462).

Almost surely, 2^4400923 is an apocalyptic number.

4400923 is a deficient number, since it is larger than the sum of its proper divisors (1).

4400923 is an equidigital number, since it uses as much as digits as its factorization.

4400923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 4400923 is about 2097.8376962959. The cubic root of 4400923 is about 163.8757114029.

Adding to 4400923 its reverse (3290044), we get a palindrome (7690967).

The spelling of 4400923 in words is "four million, four hundred thousand, nine hundred twenty-three".