20133322312123 has 2 divisors, whose sum is σ = 20133322312124. Its totient is φ = 20133322312122.

The previous prime is 20133322312121. The next prime is 20133322312133. The reversal of 20133322312123 is 32121322333102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20133322312123 - 2¹ = 20133322312121 is a prime.

Together with 20133322312121, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 20133322312091 and 20133322312100.

It is not a weakly prime, because it can be changed into another prime (20133322312121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066661156061 + 10066661156062.

It is an arithmetic number, because the mean of its divisors is an integer number (10066661156062).

Almost surely, 2^{20133322312123} is an apocalyptic number.

20133322312123 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133322312123 is an equidigital number, since it uses as much as digits as its factorization.

20133322312123 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 20133322312123 its reverse (32121322333102), we get a palindrome (52254644645225).

The spelling of 20133322312123 in words is "twenty trillion, one hundred thirty-three billion, three hundred twenty-two million, three hundred twelve thousand, one hundred twenty-three".