320223426066436 has 12 divisors (see below), whose sum is σ = 563746630321728. Its totient is φ = 159152960260232.

The previous prime is 320223426066421. The next prime is 320223426066451. The reversal of 320223426066436 is 634660624322023.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (320223426066421) and next prime (320223426066451).

It is a self number, because there is not a number n which added to its sum of digits gives 320223426066436.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239688192496 + ... + 239688193831.

It is an arithmetic number, because the mean of its divisors is an integer number (46978885860144).

Almost surely, 2^{320223426066436} is an apocalyptic number.

It is an amenable number.

320223426066436 is a deficient number, since it is larger than the sum of its proper divisors (243523204255292).

320223426066436 is a wasteful number, since it uses less digits than its factorization.

320223426066436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479376386498 (or 479376386496 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 49.

The spelling of 320223426066436 in words is "three hundred twenty trillion, two hundred twenty-three billion, four hundred twenty-six million, sixty-six thousand, four hundred thirty-six".