133300343243 has 4 divisors (see below), whose sum is σ = 134987689440. Its totient is φ = 131612997048.

The previous prime is 133300343219. The next prime is 133300343249. The reversal of 133300343243 is 342343003331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342343003331 = 7 ⋅48906143333.

It is a cyclic number.

It is not a de Polignac number, because 133300343243 - 2³⁴ = 116120474059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133300343249) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 843672980 + ... + 843673137.

It is an arithmetic number, because the mean of its divisors is an integer number (33746922360).

Almost surely, 2^133300343243 is an apocalyptic number.

133300343243 is a deficient number, since it is larger than the sum of its proper divisors (1687346197).

133300343243 is an equidigital number, since it uses as much as digits as its factorization.

133300343243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687346196.

The product of its (nonzero) digits is 23328, while the sum is 29.

Adding to 133300343243 its reverse (342343003331), we get a palindrome (475643346574).

The spelling of 133300343243 in words is "one hundred thirty-three billion, three hundred million, three hundred forty-three thousand, two hundred forty-three".