449921723 has 2 divisors, whose sum is σ = 449921724. Its totient is φ = 449921722.

The previous prime is 449921713. The next prime is 449921737. The reversal of 449921723 is 327129944.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 449921723 - 2²⁸ = 181486267 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (449921713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224960861 + 224960862.

It is an arithmetic number, because the mean of its divisors is an integer number (224960862).

Almost surely, 2^449921723 is an apocalyptic number.

449921723 is a deficient number, since it is larger than the sum of its proper divisors (1).

449921723 is an equidigital number, since it uses as much as digits as its factorization.

449921723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 449921723 is about 21211.3583487715. The cubic root of 449921723 is about 766.2649969255.

The spelling of 449921723 in words is "four hundred forty-nine million, nine hundred twenty-one thousand, seven hundred twenty-three".