63320723 has 2 divisors, whose sum is σ = 63320724. Its totient is φ = 63320722.

The previous prime is 63320683. The next prime is 63320729. The reversal of 63320723 is 32702336.

63320723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63320723 is a prime.

It is a super-2 number, since 2×63320723² = 8019027922485458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63320692 and 63320701.

It is not a weakly prime, because it can be changed into another prime (63320729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31660361 + 31660362.

It is an arithmetic number, because the mean of its divisors is an integer number (31660362).

Almost surely, 2^63320723 is an apocalyptic number.

63320723 is a deficient number, since it is larger than the sum of its proper divisors (1).

63320723 is an equidigital number, since it uses as much as digits as its factorization.

63320723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 26.

The square root of 63320723 is about 7957.4319349901. The cubic root of 63320723 is about 398.5798031533.

The spelling of 63320723 in words is "sixty-three million, three hundred twenty thousand, seven hundred twenty-three".