123221300311 has 8 divisors (see below), whose sum is σ = 130547814480. Its totient is φ = 115903475328.

The previous prime is 123221300299. The next prime is 123221300317. The reversal of 123221300311 is 113003122321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123221300311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123221300317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2143081 + ... + 2199826.

It is an arithmetic number, because the mean of its divisors is an integer number (16318476810).

Almost surely, 2^123221300311 is an apocalyptic number.

123221300311 is a deficient number, since it is larger than the sum of its proper divisors (7326514169).

123221300311 is a wasteful number, since it uses less digits than its factorization.

123221300311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4344593.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123221300311 its reverse (113003122321), we get a palindrome (236224422632).

The spelling of 123221300311 in words is "one hundred twenty-three billion, two hundred twenty-one million, three hundred thousand, three hundred eleven".