723405612288 has 144 divisors (see below), whose sum is σ = 1962582410880. Its totient is φ = 236471918592.

The previous prime is 723405612269. The next prime is 723405612289. The reversal of 723405612288 is 882216504327.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723405612289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147061093 + ... + 147066011.

It is an arithmetic number, because the mean of its divisors is an integer number (13629044520).

Almost surely, 2^723405612288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 723405612288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (981291205440).

723405612288 is an abundant number, since it is smaller than the sum of its proper divisors (1239176798592).

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

723405612288 is a wasteful number, since it uses less digits than its factorization.

723405612288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8604 (or 8590 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 723405612288 in words is "seven hundred twenty-three billion, four hundred five million, six hundred twelve thousand, two hundred eighty-eight".