723445522324322 has 16 divisors (see below), whose sum is σ = 1240283939314560. Its totient is φ = 310025177163648.

The previous prime is 723445522324241. The next prime is 723445522324331. The reversal of 723445522324322 is 223423225544327.

It is a super-2 number, since 2×723445522324322² (a number of 31 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1908456422 + ... + 1908835457.

It is an arithmetic number, because the mean of its divisors is an integer number (77517746207160).

Almost surely, 2^{723445522324322} is an apocalyptic number.

723445522324322 is a deficient number, since it is larger than the sum of its proper divisors (516838416990238).

723445522324322 is a wasteful number, since it uses less digits than its factorization.

723445522324322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3817305425.

The product of its digits is 19353600, while the sum is 50.

Adding to 723445522324322 its reverse (223423225544327), we get a palindrome (946868747868649).

The spelling of 723445522324322 in words is "seven hundred twenty-three trillion, four hundred forty-five billion, five hundred twenty-two million, three hundred twenty-four thousand, three hundred twenty-two".