123360421671 has 48 divisors (see below), whose sum is σ = 185190340608. Its totient is φ = 79045502400.

The previous prime is 123360421637. The next prime is 123360421699. The reversal of 123360421671 is 176124063321.

123360421671 is a `hidden beast` number, since 1 + 2 + 33 + 604 + 2 + 16 + 7 + 1 = 666.

It is not a de Polignac number, because 123360421671 - 2⁷ = 123360421543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123360421631) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69031240 + ... + 69033026.

It is an arithmetic number, because the mean of its divisors is an integer number (3858132096).

Almost surely, 2^123360421671 is an apocalyptic number.

123360421671 is a deficient number, since it is larger than the sum of its proper divisors (61829918937).

123360421671 is a wasteful number, since it uses less digits than its factorization.

123360421671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3372 (or 3369 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

Adding to 123360421671 its reverse (176124063321), we get a palindrome (299484484992).

The spelling of 123360421671 in words is "one hundred twenty-three billion, three hundred sixty million, four hundred twenty-one thousand, six hundred seventy-one".