723320523640412 has 12 divisors (see below), whose sum is σ = 1270623885636336. Its totient is φ = 360285127744320.

The previous prime is 723320523640409. The next prime is 723320523640433. The reversal of 723320523640412 is 214046325023327.

It is a super-2 number, since 2×723320523640412² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343783517789 + ... + 343783519892.

It is an arithmetic number, because the mean of its divisors is an integer number (105885323803028).

Almost surely, 2^{723320523640412} is an apocalyptic number.

It is an amenable number.

723320523640412 is a deficient number, since it is larger than the sum of its proper divisors (547303361995924).

723320523640412 is a wasteful number, since it uses less digits than its factorization.

723320523640412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687567037948 (or 687567037946 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 44.

Adding to 723320523640412 its reverse (214046325023327), we get a palindrome (937366848663739).

The spelling of 723320523640412 in words is "seven hundred twenty-three trillion, three hundred twenty billion, five hundred twenty-three million, six hundred forty thousand, four hundred twelve".