320123145433000 has 256 divisors, whose sum is σ = 940770073152000. Its totient is φ = 101313697363200.

The previous prime is 320123145432949. The next prime is 320123145433001. The reversal of 320123145433000 is 334541321023.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (320123145433001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31437294 + ... + 40355293.

It is an arithmetic number, because the mean of its divisors is an integer number (3674883098250).

Almost surely, 2^{320123145433000} is an apocalyptic number.

It is an amenable number.

320123145433000 is an abundant number, since it is smaller than the sum of its proper divisors (620646927719000).

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

320123145433000 is a wasteful number, since it uses less digits than its factorization.

320123145433000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71792642 (or 71792614 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 320123145433000 its reverse (334541321023), we get a palindrome (320457686754023).

The spelling of 320123145433000 in words is "three hundred twenty trillion, one hundred twenty-three billion, one hundred forty-five million, four hundred thirty-three thousand".