723546401 has 8 divisors (see below), whose sum is σ = 769025664. Its totient is φ = 678391360.

The previous prime is 723546389. The next prime is 723546403. The reversal of 723546401 is 104645327.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-723546401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (723546403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76445 + ... + 85386.

It is an arithmetic number, because the mean of its divisors is an integer number (96128208).

Almost surely, 2^723546401 is an apocalyptic number.

It is an amenable number.

723546401 is a deficient number, since it is larger than the sum of its proper divisors (45479263).

723546401 is a wasteful number, since it uses less digits than its factorization.

723546401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162111.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 723546401 is about 26898.8178364775. The cubic root of 723546401 is about 897.7501007668.

The spelling of 723546401 in words is "seven hundred twenty-three million, five hundred forty-six thousand, four hundred one".