133123323132 has 18 divisors (see below), whose sum is σ = 336506178008. Its totient is φ = 44374441032.

The previous prime is 133123323131. The next prime is 133123323139. The reversal of 133123323132 is 231323321331.

133123323132 is a `hidden beast` number, since 1 + 3 + 3 + 12 + 332 + 313 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

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 = 133123323096 and 133123323105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133123323131) 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, 1848935008 + ... + 1848935079.

Almost surely, 2^133123323132 is an apocalyptic number.

133123323132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133123323132 is an abundant number, since it is smaller than the sum of its proper divisors (203382854876).

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

133123323132 is a wasteful number, since it uses less digits than its factorization.

133123323132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697870097 (or 3697870092 counting only the distinct ones).

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

Adding to 133123323132 its reverse (231323321331), we get a palindrome (364446644463).

The spelling of 133123323132 in words is "one hundred thirty-three billion, one hundred twenty-three million, three hundred twenty-three thousand, one hundred thirty-two".