13668875123 has 2 divisors, whose sum is σ = 13668875124. Its totient is φ = 13668875122.

The previous prime is 13668875093. The next prime is 13668875243. The reversal of 13668875123 is 32157886631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13668875123 - 2²² = 13664680819 is a prime.

It is not a weakly prime, because it can be changed into another prime (13668871123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6834437561 + 6834437562.

It is an arithmetic number, because the mean of its divisors is an integer number (6834437562).

Almost surely, 2^13668875123 is an apocalyptic number.

13668875123 is a deficient number, since it is larger than the sum of its proper divisors (1).

13668875123 is an equidigital number, since it uses as much as digits as its factorization.

13668875123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The spelling of 13668875123 in words is "thirteen billion, six hundred sixty-eight million, eight hundred seventy-five thousand, one hundred twenty-three".