723320645063403 has 16 divisors (see below), whose sum is σ = 966532884220800. Its totient is φ = 481162230730944.

The previous prime is 723320645063377. The next prime is 723320645063473. The reversal of 723320645063403 is 304360546023327.

It is not a de Polignac number, because 723320645063403 - 2⁶ = 723320645063339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (723320645063473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140735853 + ... + 145784846.

It is an arithmetic number, because the mean of its divisors is an integer number (60408305263800).

Almost surely, 2^{723320645063403} is an apocalyptic number.

723320645063403 is a deficient number, since it is larger than the sum of its proper divisors (243212239157397).

723320645063403 is a wasteful number, since it uses less digits than its factorization.

723320645063403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286522538.

The product of its (nonzero) digits is 6531840, while the sum is 48.

The spelling of 723320645063403 in words is "seven hundred twenty-three trillion, three hundred twenty billion, six hundred forty-five million, sixty-three thousand, four hundred three".