123143330011 has 4 divisors (see below), whose sum is σ = 132615893872. Its totient is φ = 113670766152.

The previous prime is 123143329979. The next prime is 123143330017. The reversal of 123143330011 is 110033341321.

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 123143330011 - 2⁵ = 123143329979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123143330017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4736281911 + ... + 4736281936.

It is an arithmetic number, because the mean of its divisors is an integer number (33153973468).

Almost surely, 2^123143330011 is an apocalyptic number.

123143330011 is a deficient number, since it is larger than the sum of its proper divisors (9472563861).

123143330011 is an equidigital number, since it uses as much as digits as its factorization.

123143330011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9472563860.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123143330011 its reverse (110033341321), we get a palindrome (233176671332).

The spelling of 123143330011 in words is "one hundred twenty-three billion, one hundred forty-three million, three hundred thirty thousand, eleven".