123232330011 has 32 divisors (see below), whose sum is σ = 188953509888. Its totient is φ = 69979754880.

The previous prime is 123232330007. The next prime is 123232330021. The reversal of 123232330011 is 110033232321.

It is not a de Polignac number, because 123232330011 - 2² = 123232330007 is a prime.

It is a super-2 number, since 2×123232330011² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 123232330011.

It is not an unprimeable number, because it can be changed into a prime (123232330021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9719206 + ... + 9731876.

It is an arithmetic number, because the mean of its divisors is an integer number (5904797184).

Almost surely, 2^123232330011 is an apocalyptic number.

123232330011 is a deficient number, since it is larger than the sum of its proper divisors (65721179877).

123232330011 is a wasteful number, since it uses less digits than its factorization.

123232330011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15531.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123232330011 its reverse (110033232321), we get a palindrome (233265562332).

The spelling of 123232330011 in words is "one hundred twenty-three billion, two hundred thirty-two million, three hundred thirty thousand, eleven".