4401923 has 2 divisors, whose sum is σ = 4401924. Its totient is φ = 4401922.

The previous prime is 4401919. The next prime is 4401941. The reversal of 4401923 is 3291044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4401923 - 2² = 4401919 is a prime.

It is not a weakly prime, because it can be changed into another prime (4401983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200961 + 2200962.

It is an arithmetic number, because the mean of its divisors is an integer number (2200962).

Almost surely, 2^4401923 is an apocalyptic number.

4401923 is a deficient number, since it is larger than the sum of its proper divisors (1).

4401923 is an equidigital number, since it uses as much as digits as its factorization.

4401923 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 23.

The square root of 4401923 is about 2098.0760234081. The cubic root of 4401923 is about 163.8881226857. Note that the first 3 decimals are identical.

Adding to 4401923 its reverse (3291044), we get a palindrome (7692967).

The spelling of 4401923 in words is "four million, four hundred one thousand, nine hundred twenty-three".