723994860619 has 2 divisors, whose sum is σ = 723994860620. Its totient is φ = 723994860618.

The previous prime is 723994860607. The next prime is 723994860661. The reversal of 723994860619 is 916068499327.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 723994860619 - 2²⁷ = 723860642891 is a prime.

It is a super-2 number, since 2×723994860619² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (723994860019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361997430309 + 361997430310.

It is an arithmetic number, because the mean of its divisors is an integer number (361997430310).

Almost surely, 2^723994860619 is an apocalyptic number.

723994860619 is a deficient number, since it is larger than the sum of its proper divisors (1).

723994860619 is an equidigital number, since it uses as much as digits as its factorization.

723994860619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35271936, while the sum is 64.

The spelling of 723994860619 in words is "seven hundred twenty-three billion, nine hundred ninety-four million, eight hundred sixty thousand, six hundred nineteen".