723989989327 has 16 divisors (see below), whose sum is σ = 836293496832. Its totient is φ = 619436686720.

The previous prime is 723989989297. The next prime is 723989989357.

723989989327 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (723989989297) and next prime (723989989357).

It is not a de Polignac number, because 723989989327 - 2¹⁹ = 723989465039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723989989357) 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 in 15 ways as a sum of consecutive naturals, for example, 10618098 + ... + 10686064.

It is an arithmetic number, because the mean of its divisors is an integer number (52268343552).

Almost surely, 2^723989989327 is an apocalyptic number.

723989989327 is a deficient number, since it is larger than the sum of its proper divisors (112303507505).

723989989327 is a wasteful number, since it uses less digits than its factorization.

723989989327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124958.

The product of its digits is 740710656, while the sum is 76.

The spelling of 723989989327 in words is "seven hundred twenty-three billion, nine hundred eighty-nine million, nine hundred eighty-nine thousand, three hundred twenty-seven".