726453823 has 2 divisors, whose sum is σ = 726453824. Its totient is φ = 726453822.

The previous prime is 726453811. The next prime is 726453839. The reversal of 726453823 is 328354627.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 726453823 - 2⁹ = 726453311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726453803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363226911 + 363226912.

It is an arithmetic number, because the mean of its divisors is an integer number (363226912).

Almost surely, 2^726453823 is an apocalyptic number.

726453823 is a deficient number, since it is larger than the sum of its proper divisors (1).

726453823 is an equidigital number, since it uses as much as digits as its factorization.

726453823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 40.

The square root of 726453823 is about 26952.8073305917. The cubic root of 726453823 is about 898.9509682683.

The spelling of 726453823 in words is "seven hundred twenty-six million, four hundred fifty-three thousand, eight hundred twenty-three".