123840468071 has 8 divisors (see below), whose sum is σ = 129314672640. Its totient is φ = 118373749912.

The previous prime is 123840468067. The next prime is 123840468077. The reversal of 123840468071 is 170864048321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123840468071 - 2² = 123840468067 is a prime.

It is a super-2 number, since 2×123840468071² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123840468077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1837775 + ... + 1903968.

It is an arithmetic number, because the mean of its divisors is an integer number (16164334080).

Almost surely, 2^123840468071 is an apocalyptic number.

123840468071 is a deficient number, since it is larger than the sum of its proper divisors (5474204569).

123840468071 is a wasteful number, since it uses less digits than its factorization.

123840468071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3743205.

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 123840468071 in words is "one hundred twenty-three billion, eight hundred forty million, four hundred sixty-eight thousand, seventy-one".