320123450525 has 12 divisors (see below), whose sum is σ = 397390761792. Its totient is φ = 255816384240.

The previous prime is 320123450509. The next prime is 320123450611. The reversal of 320123450525 is 525054321023.

It is not a de Polignac number, because 320123450525 - 2⁴ = 320123450509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320123450491 and 320123450500.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7036277 + ... + 7081626.

It is an arithmetic number, because the mean of its divisors is an integer number (33115896816).

Almost surely, 2^320123450525 is an apocalyptic number.

It is an amenable number.

320123450525 is a deficient number, since it is larger than the sum of its proper divisors (77267311267).

320123450525 is a wasteful number, since it uses less digits than its factorization.

320123450525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14118820 (or 14118815 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 320123450525 its reverse (525054321023), we get a palindrome (845177771548).

The spelling of 320123450525 in words is "three hundred twenty billion, one hundred twenty-three million, four hundred fifty thousand, five hundred twenty-five".