123451141663 has 2 divisors, whose sum is σ = 123451141664. Its totient is φ = 123451141662.

The previous prime is 123451141661. The next prime is 123451141679. The reversal of 123451141663 is 366141154321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123451141663 - 2¹ = 123451141661 is a prime.

Together with 123451141661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123451141661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61725570831 + 61725570832.

It is an arithmetic number, because the mean of its divisors is an integer number (61725570832).

Almost surely, 2^123451141663 is an apocalyptic number.

123451141663 is a deficient number, since it is larger than the sum of its proper divisors (1).

123451141663 is an equidigital number, since it uses as much as digits as its factorization.

123451141663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

Adding to 123451141663 its reverse (366141154321), we get a palindrome (489592295984).

The spelling of 123451141663 in words is "one hundred twenty-three billion, four hundred fifty-one million, one hundred forty-one thousand, six hundred sixty-three".