1232321332113 has 16 divisors (see below), whose sum is σ = 1875003429760. Its totient is φ = 799343566128.

The previous prime is 1232321332093. The next prime is 1232321332141. The reversal of 1232321332113 is 3112331232321.

1232321332113 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 321 + 3 + 321 + 13 = 666.

It is not a de Polignac number, because 1232321332113 - 2³⁰ = 1231247590289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232321332153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 616776445 + ... + 616778442.

It is an arithmetic number, because the mean of its divisors is an integer number (117187714360).

Almost surely, 2^{1232321332113} is an apocalyptic number.

It is an amenable number.

1232321332113 is a deficient number, since it is larger than the sum of its proper divisors (642682097647).

1232321332113 is a wasteful number, since it uses less digits than its factorization.

1232321332113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233554933 (or 1233554927 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

Adding to 1232321332113 its reverse (3112331232321), we get a palindrome (4344652564434).

The spelling of 1232321332113 in words is "one trillion, two hundred thirty-two billion, three hundred twenty-one million, three hundred thirty-two thousand, one hundred thirteen".