133123343013 has 6 divisors (see below), whose sum is σ = 192289273254. Its totient is φ = 88748895336.

The previous prime is 133123343009. The next prime is 133123343029. The reversal of 133123343013 is 310343321331.

133123343013 is a `hidden beast` number, since 1 + 3 + 312 + 3 + 343 + 0 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 133092173124 + 31169889 = 364818^2 + 5583^2 .

It is not a de Polignac number, because 133123343013 - 2² = 133123343009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133123343053) 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, 7395741270 + ... + 7395741287.

It is an arithmetic number, because the mean of its divisors is an integer number (32048212209).

Almost surely, 2^133123343013 is an apocalyptic number.

It is an amenable number.

133123343013 is a deficient number, since it is larger than the sum of its proper divisors (59165930241).

133123343013 is a wasteful number, since it uses less digits than its factorization.

133123343013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14791482563 (or 14791482560 counting only the distinct ones).

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

Adding to 133123343013 its reverse (310343321331), we get a palindrome (443466664344).

The spelling of 133123343013 in words is "one hundred thirty-three billion, one hundred twenty-three million, three hundred forty-three thousand, thirteen".