2123303535455 has 16 divisors (see below), whose sum is σ = 2576862771840. Its totient is φ = 1679381138688.

The previous prime is 2123303535413. The next prime is 2123303535461. The reversal of 2123303535455 is 5545353033212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123303535455 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4090769 + ... + 4580501.

It is an arithmetic number, because the mean of its divisors is an integer number (161053923240).

Almost surely, 2^{2123303535455} is an apocalyptic number.

2123303535455 is a deficient number, since it is larger than the sum of its proper divisors (453559236385).

2123303535455 is an equidigital number, since it uses as much as digits as its factorization.

2123303535455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499570.

The product of its (nonzero) digits is 810000, while the sum is 41.

Adding to 2123303535455 its reverse (5545353033212), we get a palindrome (7668656568667).

The spelling of 2123303535455 in words is "two trillion, one hundred twenty-three billion, three hundred three million, five hundred thirty-five thousand, four hundred fifty-five".