123303120011 has 4 divisors (see below), whose sum is σ = 126310513224. Its totient is φ = 120295726800.

The previous prime is 123303120001. The next prime is 123303120041. The reversal of 123303120011 is 110021303321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110021303321 = 23 ⋅4783534927.

It is a cyclic number.

It is not a de Polignac number, because 123303120011 - 2¹⁰ = 123303118987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123303120001) 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, 1503696545 + ... + 1503696626.

It is an arithmetic number, because the mean of its divisors is an integer number (31577628306).

Almost surely, 2^123303120011 is an apocalyptic number.

123303120011 is a deficient number, since it is larger than the sum of its proper divisors (3007393213).

123303120011 is an equidigital number, since it uses as much as digits as its factorization.

123303120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007393212.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 123303120011 its reverse (110021303321), we get a palindrome (233324423332).

The spelling of 123303120011 in words is "one hundred twenty-three billion, three hundred three million, one hundred twenty thousand, eleven".