1232320423311 has 6 divisors (see below), whose sum is σ = 1780018389240. Its totient is φ = 821546948868.

The previous prime is 1232320423291. The next prime is 1232320423363. The reversal of 1232320423311 is 1133240232321.

1232320423311 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 320 + 4 + 2 + 331 + 1 = 666.

It is not a de Polignac number, because 1232320423311 - 2⁶ = 1232320423247 is a prime.

It is a super-2 number, since 2×1232320423311² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232320423111) 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, 68462245731 + ... + 68462245748.

It is an arithmetic number, because the mean of its divisors is an integer number (296669731540).

Almost surely, 2^{1232320423311} is an apocalyptic number.

1232320423311 is a deficient number, since it is larger than the sum of its proper divisors (547697965929).

1232320423311 is a wasteful number, since it uses less digits than its factorization.

1232320423311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136924491485 (or 136924491482 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1232320423311 its reverse (1133240232321), we get a palindrome (2365560655632).

The spelling of 1232320423311 in words is "one trillion, two hundred thirty-two billion, three hundred twenty million, four hundred twenty-three thousand, three hundred eleven".