4399268723 has 2 divisors, whose sum is σ = 4399268724. Its totient is φ = 4399268722.

The previous prime is 4399268681. The next prime is 4399268729. The reversal of 4399268723 is 3278629934.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4399268723 - 2⁶ = 4399268659 is a prime.

It is not a weakly prime, because it can be changed into another prime (4399268729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2199634361 + 2199634362.

It is an arithmetic number, because the mean of its divisors is an integer number (2199634362).

Almost surely, 2^4399268723 is an apocalyptic number.

4399268723 is a deficient number, since it is larger than the sum of its proper divisors (1).

4399268723 is an equidigital number, since it uses as much as digits as its factorization.

4399268723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 53.

The square root of 4399268723 is about 66326.9833702694. The cubic root of 4399268723 is about 1638.5517557472.

The spelling of 4399268723 in words is "four billion, three hundred ninety-nine million, two hundred sixty-eight thousand, seven hundred twenty-three".