2123338937263 has 2 divisors, whose sum is σ = 2123338937264. Its totient is φ = 2123338937262.

The previous prime is 2123338937201. The next prime is 2123338937281. The reversal of 2123338937263 is 3627398333212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123338937263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2123338937263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123338937563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061669468631 + 1061669468632.

It is an arithmetic number, because the mean of its divisors is an integer number (1061669468632).

Almost surely, 2^{2123338937263} is an apocalyptic number.

2123338937263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123338937263 is an equidigital number, since it uses as much as digits as its factorization.

2123338937263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 52.

The spelling of 2123338937263 in words is "two trillion, one hundred twenty-three billion, three hundred thirty-eight million, nine hundred thirty-seven thousand, two hundred sixty-three".