123321030011 has 4 divisors (see below), whose sum is σ = 125647841952. Its totient is φ = 120994218072.

The previous prime is 123321029989. The next prime is 123321030023. The reversal of 123321030011 is 110030123321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123321030011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123321030211) 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, 1163405891 + ... + 1163405996.

It is an arithmetic number, because the mean of its divisors is an integer number (31411960488).

Almost surely, 2^123321030011 is an apocalyptic number.

123321030011 is a deficient number, since it is larger than the sum of its proper divisors (2326811941).

123321030011 is an equidigital number, since it uses as much as digits as its factorization.

123321030011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326811940.

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

Adding to 123321030011 its reverse (110030123321), we get a palindrome (233351153332).

The spelling of 123321030011 in words is "one hundred twenty-three billion, three hundred twenty-one million, thirty thousand, eleven".