12423577716516 has 192 divisors, whose sum is σ = 32231669944320. Its totient is φ = 3710852006400.

The previous prime is 12423577716503. The next prime is 12423577716523. The reversal of 12423577716516 is 61561777532421.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51850446 + ... + 52089498.

It is an arithmetic number, because the mean of its divisors is an integer number (167873280960).

Almost surely, 2^{12423577716516} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12423577716516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16115834972160).

12423577716516 is an abundant number, since it is smaller than the sum of its proper divisors (19808092227804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12423577716516 is a wasteful number, since it uses less digits than its factorization.

12423577716516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239306 (or 239304 counting only the distinct ones).

The product of its digits is 14817600, while the sum is 57.

The spelling of 12423577716516 in words is "twelve trillion, four hundred twenty-three billion, five hundred seventy-seven million, seven hundred sixteen thousand, five hundred sixteen".