728423346344 has 16 divisors (see below), whose sum is σ = 1369397457600. Its totient is φ = 363250690992.

The previous prime is 728423346341. The next prime is 728423346347. The reversal of 728423346344 is 443643324827.

It is an interprime number because it is at equal distance from previous prime (728423346341) and next prime (728423346347).

It is a junction number, because it is equal to n+sod(n) for n = 728423346292 and 728423346301.

It is not an unprimeable number, because it can be changed into a prime (728423346341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120119552 + ... + 120125615.

It is an arithmetic number, because the mean of its divisors is an integer number (85587341100).

Almost surely, 2^728423346344 is an apocalyptic number.

It is an amenable number.

728423346344 is a deficient number, since it is larger than the sum of its proper divisors (640974111256).

728423346344 is a wasteful number, since it uses less digits than its factorization.

728423346344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240245552 (or 240245548 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 50.

The spelling of 728423346344 in words is "seven hundred twenty-eight billion, four hundred twenty-three million, three hundred forty-six thousand, three hundred forty-four".