123284717011 has 4 divisors (see below), whose sum is σ = 123383425000. Its totient is φ = 123186009024.

The previous prime is 123284716987. The next prime is 123284717027. The reversal of 123284717011 is 110717482321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123284717011 - 2⁵ = 123284716979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123284747011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49352121 + ... + 49354618.

It is an arithmetic number, because the mean of its divisors is an integer number (30845856250).

Almost surely, 2^123284717011 is an apocalyptic number.

123284717011 is a deficient number, since it is larger than the sum of its proper divisors (98707989).

123284717011 is an equidigital number, since it uses as much as digits as its factorization.

123284717011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98707988.

The product of its (nonzero) digits is 18816, while the sum is 37.

The spelling of 123284717011 in words is "one hundred twenty-three billion, two hundred eighty-four million, seven hundred seventeen thousand, eleven".