123323133231 has 16 divisors (see below), whose sum is σ = 182822880000. Its totient is φ = 82160548344.

The previous prime is 123323133173. The next prime is 123323133233. The reversal of 123323133231 is 132331323321.

123323133231 is a `hidden beast` number, since 1 + 2 + 3 + 323 + 1 + 332 + 3 + 1 = 666.

It is not a de Polignac number, because 123323133231 - 2¹³ = 123323125039 is a prime.

It is a super-2 number, since 2×123323133231² (a number of 23 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 123323133195 and 123323133204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123323133233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1483051 + ... + 1563996.

It is an arithmetic number, because the mean of its divisors is an integer number (11426430000).

Almost surely, 2^123323133231 is an apocalyptic number.

123323133231 is a deficient number, since it is larger than the sum of its proper divisors (59499746769).

123323133231 is a wasteful number, since it uses less digits than its factorization.

123323133231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048555 (or 3048549 counting only the distinct ones).

The product of its digits is 5832, while the sum is 27.

Adding to 123323133231 its reverse (132331323321), we get a palindrome (255654456552).

The spelling of 123323133231 in words is "one hundred twenty-three billion, three hundred twenty-three million, one hundred thirty-three thousand, two hundred thirty-one".