2122143155023 has 2 divisors, whose sum is σ = 2122143155024. Its totient is φ = 2122143155022.

The previous prime is 2122143155003. The next prime is 2122143155047. The reversal of 2122143155023 is 3205513412212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2122143155023 - 2⁵ = 2122143154991 is a prime.

It is a super-2 number, since 2×2122143155023² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122143155003) 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, 1061071577511 + 1061071577512.

It is an arithmetic number, because the mean of its divisors is an integer number (1061071577512).

Almost surely, 2^{2122143155023} is an apocalyptic number.

2122143155023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122143155023 is an equidigital number, since it uses as much as digits as its factorization.

2122143155023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 2122143155023 its reverse (3205513412212), we get a palindrome (5327656567235).

The spelling of 2122143155023 in words is "two trillion, one hundred twenty-two billion, one hundred forty-three million, one hundred fifty-five thousand, twenty-three".