123761553863 has 2 divisors, whose sum is σ = 123761553864. Its totient is φ = 123761553862.

The previous prime is 123761553809. The next prime is 123761553893. The reversal of 123761553863 is 368355167321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123761553863 - 2⁸ = 123761553607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123761553893) 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 as a sum of consecutive naturals, namely, 61880776931 + 61880776932.

It is an arithmetic number, because the mean of its divisors is an integer number (61880776932).

Almost surely, 2^123761553863 is an apocalyptic number.

123761553863 is a deficient number, since it is larger than the sum of its proper divisors (1).

123761553863 is an equidigital number, since it uses as much as digits as its factorization.

123761553863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 50.

The spelling of 123761553863 in words is "one hundred twenty-three billion, seven hundred sixty-one million, five hundred fifty-three thousand, eight hundred sixty-three".