2123513410443 has 32 divisors (see below), whose sum is σ = 2949053716224. Its totient is φ = 1358195567232.

The previous prime is 2123513410427. The next prime is 2123513410457. The reversal of 2123513410443 is 3440143153212.

It is not a de Polignac number, because 2123513410443 - 2⁴ = 2123513410427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123513410463) 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 in 31 ways as a sum of consecutive naturals, for example, 1279105 + ... + 2425517.

It is an arithmetic number, because the mean of its divisors is an integer number (92157928632).

Almost surely, 2^{2123513410443} is an apocalyptic number.

2123513410443 is a deficient number, since it is larger than the sum of its proper divisors (825540305781).

2123513410443 is a wasteful number, since it uses less digits than its factorization.

2123513410443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146715.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 2123513410443 its reverse (3440143153212), we get a palindrome (5563656563655).

The spelling of 2123513410443 in words is "two trillion, one hundred twenty-three billion, five hundred thirteen million, four hundred ten thousand, four hundred forty-three".