320001213203123 has 2 divisors, whose sum is σ = 320001213203124. Its totient is φ = 320001213203122.

The previous prime is 320001213203099. The next prime is 320001213203131. The reversal of 320001213203123 is 321302312100023.

It is a strong prime.

It is an emirp because it is prime and its reverse (321302312100023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320001213203123 - 2²⁴ = 320001196425907 is a prime.

It is not a weakly prime, because it can be changed into another prime (320001213203143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160000606601561 + 160000606601562.

It is an arithmetic number, because the mean of its divisors is an integer number (160000606601562).

Almost surely, 2^{320001213203123} is an apocalyptic number.

320001213203123 is a deficient number, since it is larger than the sum of its proper divisors (1).

320001213203123 is an equidigital number, since it uses as much as digits as its factorization.

320001213203123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 320001213203123 its reverse (321302312100023), we get a palindrome (641303525303146).

The spelling of 320001213203123 in words is "three hundred twenty trillion, one billion, two hundred thirteen million, two hundred three thousand, one hundred twenty-three".