12634757123 has 8 divisors (see below), whose sum is σ = 13609041600. Its totient is φ = 11691402408.

The previous prime is 12634757117. The next prime is 12634757129. The reversal of 12634757123 is 32175743621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12634757117) and next prime (12634757129).

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 12634757123 - 2¹⁴ = 12634740739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12634757129) 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, 7731593 + ... + 7733226.

It is an arithmetic number, because the mean of its divisors is an integer number (1701130200).

Almost surely, 2^12634757123 is an apocalyptic number.

12634757123 is a deficient number, since it is larger than the sum of its proper divisors (974284477).

12634757123 is a wasteful number, since it uses less digits than its factorization.

12634757123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15464881.

The product of its digits is 211680, while the sum is 41.

The spelling of 12634757123 in words is "twelve billion, six hundred thirty-four million, seven hundred fifty-seven thousand, one hundred twenty-three".