63423151263 has 12 divisors (see below), whose sum is σ = 91624773240. Its totient is φ = 42275844816.

The previous prime is 63423151247. The next prime is 63423151271. The reversal of 63423151263 is 36215132436.

63423151263 is a `hidden beast` number, since 6 + 342 + 3 + 1 + 51 + 263 = 666.

It is not a de Polignac number, because 63423151263 - 2⁴ = 63423151247 is a prime.

It is a super-2 number, since 2×63423151263² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63423151163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 456708 + ... + 579161.

It is an arithmetic number, because the mean of its divisors is an integer number (7635397770).

Almost surely, 2^63423151263 is an apocalyptic number.

63423151263 is a deficient number, since it is larger than the sum of its proper divisors (28201621977).

63423151263 is a wasteful number, since it uses less digits than its factorization.

63423151263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042678 (or 1042675 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

Adding to 63423151263 its reverse (36215132436), we get a palindrome (99638283699).

The spelling of 63423151263 in words is "sixty-three billion, four hundred twenty-three million, one hundred fifty-one thousand, two hundred sixty-three".