133343123243 has 24 divisors (see below), whose sum is σ = 148212348480. Its totient is φ = 119863568000.

The previous prime is 133343123239. The next prime is 133343123293. The reversal of 133343123243 is 342321343331.

It is not a de Polignac number, because 133343123243 - 2² = 133343123239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133343123293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9880046 + ... + 9893532.

It is an arithmetic number, because the mean of its divisors is an integer number (6175514520).

Almost surely, 2^133343123243 is an apocalyptic number.

133343123243 is a deficient number, since it is larger than the sum of its proper divisors (14869225237).

133343123243 is a wasteful number, since it uses less digits than its factorization.

133343123243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14419 (or 14408 counting only the distinct ones).

The product of its digits is 46656, while the sum is 32.

Adding to 133343123243 its reverse (342321343331), we get a palindrome (475664466574).

The spelling of 133343123243 in words is "one hundred thirty-three billion, three hundred forty-three million, one hundred twenty-three thousand, two hundred forty-three".