12523116223166 has 8 divisors (see below), whose sum is σ = 18809956536624. Its totient is φ = 6253130710960.

The previous prime is 12523116223153. The next prime is 12523116223171. The reversal of 12523116223166 is 66132261132521.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4213698455 + ... + 4213701426.

It is an arithmetic number, because the mean of its divisors is an integer number (2351244567078).

Almost surely, 2^{12523116223166} is an apocalyptic number.

12523116223166 is a deficient number, since it is larger than the sum of its proper divisors (6286840313458).

12523116223166 is an equidigital number, since it uses as much as digits as its factorization.

12523116223166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8427400626.

The product of its digits is 155520, while the sum is 41.

Adding to 12523116223166 its reverse (66132261132521), we get a palindrome (78655377355687).

The spelling of 12523116223166 in words is "twelve trillion, five hundred twenty-three billion, one hundred sixteen million, two hundred twenty-three thousand, one hundred sixty-six".