723005360020 has 48 divisors (see below), whose sum is σ = 1645010313408. Its totient is φ = 265860241920.

The previous prime is 723005360009. The next prime is 723005360027. The reversal of 723005360020 is 20063500327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723005360027) 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, 24711966 + ... + 24741205.

It is an arithmetic number, because the mean of its divisors is an integer number (34271048196).

Almost surely, 2^723005360020 is an apocalyptic number.

It is an amenable number.

723005360020 is an abundant number, since it is smaller than the sum of its proper divisors (922004953388).

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

723005360020 is a wasteful number, since it uses less digits than its factorization.

723005360020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49453240 (or 49453238 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

Adding to 723005360020 its reverse (20063500327), we get a palindrome (743068860347).

The spelling of 723005360020 in words is "seven hundred twenty-three billion, five million, three hundred sixty thousand, twenty".