320172550024123 has 2 divisors, whose sum is σ = 320172550024124. Its totient is φ = 320172550024122.

The previous prime is 320172550024069. The next prime is 320172550024139. The reversal of 320172550024123 is 321420055271023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320172550024123 - 2⁹ = 320172550023611 is a prime.

It is not a weakly prime, because it can be changed into another prime (320172550024823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160086275012061 + 160086275012062.

It is an arithmetic number, because the mean of its divisors is an integer number (160086275012062).

Almost surely, 2^{320172550024123} is an apocalyptic number.

320172550024123 is a deficient number, since it is larger than the sum of its proper divisors (1).

320172550024123 is an equidigital number, since it uses as much as digits as its factorization.

320172550024123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 320172550024123 in words is "three hundred twenty trillion, one hundred seventy-two billion, five hundred fifty million, twenty-four thousand, one hundred twenty-three".