723813312990 has 32 divisors (see below), whose sum is σ = 1753089132960. Its totient is φ = 191246085504.

The previous prime is 723813312983. The next prime is 723813312997. The reversal of 723813312990 is 99213318327.

It is an interprime number because it is at equal distance from previous prime (723813312983) and next prime (723813312997).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723813312997) 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, 110671549 + ... + 110678088.

It is an arithmetic number, because the mean of its divisors is an integer number (54784035405).

Almost surely, 2^723813312990 is an apocalyptic number.

723813312990 is an abundant number, since it is smaller than the sum of its proper divisors (1029275819970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

723813312990 is a wasteful number, since it uses less digits than its factorization.

723813312990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221349756.

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 723813312990 in words is "seven hundred twenty-three billion, eight hundred thirteen million, three hundred twelve thousand, nine hundred ninety".