11727284123 has 2 divisors, whose sum is σ = 11727284124. Its totient is φ = 11727284122.

The previous prime is 11727284111. The next prime is 11727284171. The reversal of 11727284123 is 32148272711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11727284123 - 2¹⁸ = 11727021979 is a prime.

It is not a weakly prime, because it can be changed into another prime (11727224123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5863642061 + 5863642062.

It is an arithmetic number, because the mean of its divisors is an integer number (5863642062).

Almost surely, 2^11727284123 is an apocalyptic number.

11727284123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11727284123 is an equidigital number, since it uses as much as digits as its factorization.

11727284123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 38.

The spelling of 11727284123 in words is "eleven billion, seven hundred twenty-seven million, two hundred eighty-four thousand, one hundred twenty-three".