2122540012423 has 2 divisors, whose sum is σ = 2122540012424. Its totient is φ = 2122540012422.

The previous prime is 2122540012421. The next prime is 2122540012447. The reversal of 2122540012423 is 3242100452212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2122540012423 - 2¹ = 2122540012421 is a prime.

It is a super-3 number, since 3×2122540012423³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 2122540012421, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2122540012391 and 2122540012400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122540012421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061270006211 + 1061270006212.

It is an arithmetic number, because the mean of its divisors is an integer number (1061270006212).

Almost surely, 2^{2122540012423} is an apocalyptic number.

2122540012423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122540012423 is an equidigital number, since it uses as much as digits as its factorization.

2122540012423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 2122540012423 its reverse (3242100452212), we get a palindrome (5364640464635).

The spelling of 2122540012423 in words is "two trillion, one hundred twenty-two billion, five hundred forty million, twelve thousand, four hundred twenty-three".