123415724161 has 8 divisors (see below), whose sum is σ = 123502722560. Its totient is φ = 123328762272.

The previous prime is 123415724123. The next prime is 123415724171. The reversal of 123415724161 is 161427514321.

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 123415724161 - 2⁹ = 123415723649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123415724161.

It is not an unprimeable number, because it can be changed into a prime (123415724171) 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, 10503856 + ... + 10515598.

It is an arithmetic number, because the mean of its divisors is an integer number (15437840320).

Almost surely, 2^123415724161 is an apocalyptic number.

It is an amenable number.

123415724161 is a deficient number, since it is larger than the sum of its proper divisors (86998399).

123415724161 is a wasteful number, since it uses less digits than its factorization.

123415724161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18255.

The product of its digits is 40320, while the sum is 37.

The spelling of 123415724161 in words is "one hundred twenty-three billion, four hundred fifteen million, seven hundred twenty-four thousand, one hundred sixty-one".