123231133332 has 36 divisors (see below), whose sum is σ = 329824505556. Its totient is φ = 38660747520.

The previous prime is 123231133297. The next prime is 123231133369. The reversal of 123231133332 is 233331132321.

123231133332 is a `hidden beast` number, since 1 + 2 + 323 + 1 + 1 + 3 + 3 + 332 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 84171935376 + 39059197956 = 290124^2 + 197634^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×123231133332² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 123231133296 and 123231133305.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 100678419 + ... + 100679642.

It is an arithmetic number, because the mean of its divisors is an integer number (9161791821).

Almost surely, 2^123231133332 is an apocalyptic number.

123231133332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123231133332 is an abundant number, since it is smaller than the sum of its proper divisors (206593372224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123231133332 is a wasteful number, since it uses less digits than its factorization.

123231133332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201358088 (or 201358083 counting only the distinct ones).

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

Adding to 123231133332 its reverse (233331132321), we get a palindrome (356562265653).

The spelling of 123231133332 in words is "one hundred twenty-three billion, two hundred thirty-one million, one hundred thirty-three thousand, three hundred thirty-two".