133131343123 has 8 divisors (see below), whose sum is σ = 133365746736. Its totient is φ = 132897024000.

The previous prime is 133131343097. The next prime is 133131343151. The reversal of 133131343123 is 321343131331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133131343123 - 2⁵ = 133131343091 is a prime.

It is a super-3 number, since 3×133131343123³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133131343091 and 133131343100.

It is not an unprimeable number, because it can be changed into a prime (133131344123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3700540 + ... + 3736342.

It is an arithmetic number, because the mean of its divisors is an integer number (16670718342).

Almost surely, 2^133131343123 is an apocalyptic number.

133131343123 is a deficient number, since it is larger than the sum of its proper divisors (234403613).

133131343123 is an equidigital number, since it uses as much as digits as its factorization.

133131343123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42245.

The product of its digits is 5832, while the sum is 28.

Adding to 133131343123 its reverse (321343131331), we get a palindrome (454474474454).

The spelling of 133131343123 in words is "one hundred thirty-three billion, one hundred thirty-one million, three hundred forty-three thousand, one hundred twenty-three".