123122321033 has 8 divisors (see below), whose sum is σ = 129771088200. Its totient is φ = 116633765248.

The previous prime is 123122321011. The next prime is 123122321051. The reversal of 123122321033 is 330123221321.

It can be written as a sum of positive squares in 4 ways, for example, as 28349467129 + 94772853904 = 168373^2 + 307852^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123122321033 is a prime.

It is a super-2 number, since 2×123122321033² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123122321083) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 40051268 + ... + 40054341.

It is an arithmetic number, because the mean of its divisors is an integer number (16221386025).

Almost surely, 2^123122321033 is an apocalyptic number.

It is an amenable number.

123122321033 is a deficient number, since it is larger than the sum of its proper divisors (6648767167).

123122321033 is an equidigital number, since it uses as much as digits as its factorization.

123122321033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80105691.

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

Adding to 123122321033 its reverse (330123221321), we get a palindrome (453245542354).

The spelling of 123122321033 in words is "one hundred twenty-three billion, one hundred twenty-two million, three hundred twenty-one thousand, thirty-three".