63963343123 has 2 divisors, whose sum is σ = 63963343124. Its totient is φ = 63963343122.

The previous prime is 63963343063. The next prime is 63963343133. The reversal of 63963343123 is 32134336936.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63963343123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63963343123.

It is not a weakly prime, because it can be changed into another prime (63963343133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31981671561 + 31981671562.

It is an arithmetic number, because the mean of its divisors is an integer number (31981671562).

Almost surely, 2^63963343123 is an apocalyptic number.

63963343123 is a deficient number, since it is larger than the sum of its proper divisors (1).

63963343123 is an equidigital number, since it uses as much as digits as its factorization.

63963343123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 629856, while the sum is 43.

The spelling of 63963343123 in words is "sixty-three billion, nine hundred sixty-three million, three hundred forty-three thousand, one hundred twenty-three".