123220003311 has 6 divisors (see below), whose sum is σ = 177984449240. Its totient is φ = 82146668868.

The previous prime is 123220003307. The next prime is 123220003331. The reversal of 123220003311 is 113300022321.

123220003311 is a `hidden beast` number, since 12 + 322 + 0 + 0 + 0 + 331 + 1 = 666.

It is not a de Polignac number, because 123220003311 - 2² = 123220003307 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 (123220003331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6845555731 + ... + 6845555748.

Almost surely, 2^123220003311 is an apocalyptic number.

123220003311 is a deficient number, since it is larger than the sum of its proper divisors (54764445929).

123220003311 is a wasteful number, since it uses less digits than its factorization.

123220003311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13691111485 (or 13691111482 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 123220003311 its reverse (113300022321), we get a palindrome (236520025632).

The spelling of 123220003311 in words is "one hundred twenty-three billion, two hundred twenty million, three thousand, three hundred eleven".