322120203331123 has 2 divisors, whose sum is σ = 322120203331124. Its totient is φ = 322120203331122.

The previous prime is 322120203331049. The next prime is 322120203331247. The reversal of 322120203331123 is 321133302021223.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-322120203331123 is a prime.

It is a super-2 number, since 2×322120203331123² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 322120203331091 and 322120203331100.

It is not a weakly prime, because it can be changed into another prime (322120203331523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161060101665561 + 161060101665562.

It is an arithmetic number, because the mean of its divisors is an integer number (161060101665562).

Almost surely, 2^{322120203331123} is an apocalyptic number.

322120203331123 is a deficient number, since it is larger than the sum of its proper divisors (1).

322120203331123 is an equidigital number, since it uses as much as digits as its factorization.

322120203331123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 322120203331123 its reverse (321133302021223), we get a palindrome (643253505352346).

The spelling of 322120203331123 in words is "three hundred twenty-two trillion, one hundred twenty billion, two hundred three million, three hundred thirty-one thousand, one hundred twenty-three".