13265666100123 has 8 divisors (see below), whose sum is σ = 17687657341200. Its totient is φ = 8843726129568.

The previous prime is 13265666100109. The next prime is 13265666100133. The reversal of 13265666100123 is 32100166656231.

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

It is not a de Polignac number, because 13265666100123 - 2¹² = 13265666096027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13265666100133) 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, 12209788 + ... + 13251801.

It is an arithmetic number, because the mean of its divisors is an integer number (2210957167650).

Almost surely, 2^{13265666100123} is an apocalyptic number.

13265666100123 is a deficient number, since it is larger than the sum of its proper divisors (4421991241077).

13265666100123 is a wasteful number, since it uses less digits than its factorization.

13265666100123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25635261.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 13265666100123 in words is "thirteen trillion, two hundred sixty-five billion, six hundred sixty-six million, one hundred thousand, one hundred twenty-three".