723427407 has 6 divisors (see below), whose sum is σ = 1044950712. Its totient is φ = 482284932.

The previous prime is 723427403. The next prime is 723427423. The reversal of 723427407 is 704724327.

723427407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 723427407 - 2² = 723427403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723427403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40190403 + ... + 40190420.

It is an arithmetic number, because the mean of its divisors is an integer number (174158452).

Almost surely, 2^723427407 is an apocalyptic number.

723427407 is a deficient number, since it is larger than the sum of its proper divisors (321523305).

723427407 is a wasteful number, since it uses less digits than its factorization.

723427407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80380829 (or 80380826 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 36.

The square root of 723427407 is about 26896.6058639376. The cubic root of 723427407 is about 897.7008835906.

The spelling of 723427407 in words is "seven hundred twenty-three million, four hundred twenty-seven thousand, four hundred seven".