123433122321 has 64 divisors (see below), whose sum is σ = 191316806400. Its totient is φ = 78572809728.

The previous prime is 123433122289. The next prime is 123433122343. The reversal of 123433122321 is 123221334321.

123433122321 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 331 + 2 + 2 + 321 = 666.

It is not a de Polignac number, because 123433122321 - 2⁵ = 123433122289 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (123433122121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43202325 + ... + 43205181.

It is an arithmetic number, because the mean of its divisors is an integer number (2989325100).

Almost surely, 2^123433122321 is an apocalyptic number.

It is an amenable number.

123433122321 is a deficient number, since it is larger than the sum of its proper divisors (67883684079).

123433122321 is a wasteful number, since it uses less digits than its factorization.

123433122321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3695 (or 3689 counting only the distinct ones).

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

Adding to 123433122321 its reverse (123221334321), we get a palindrome (246654456642).

The spelling of 123433122321 in words is "one hundred twenty-three billion, four hundred thirty-three million, one hundred twenty-two thousand, three hundred twenty-one".