723403854863 has 2 divisors, whose sum is σ = 723403854864. Its totient is φ = 723403854862.

The previous prime is 723403854857. The next prime is 723403854911. The reversal of 723403854863 is 368458304327.

It is a happy number.

723403854863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-723403854863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (723403859863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361701927431 + 361701927432.

It is an arithmetic number, because the mean of its divisors is an integer number (361701927432).

Almost surely, 2^723403854863 is an apocalyptic number.

723403854863 is a deficient number, since it is larger than the sum of its proper divisors (1).

723403854863 is an equidigital number, since it uses as much as digits as its factorization.

723403854863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11612160, while the sum is 53.

The spelling of 723403854863 in words is "seven hundred twenty-three billion, four hundred three million, eight hundred fifty-four thousand, eight hundred sixty-three".