133123124433 has 16 divisors (see below), whose sum is σ = 191485950656. Its totient is φ = 81778438080.

The previous prime is 133123124429. The next prime is 133123124473. The reversal of 133123124433 is 334421321331.

It is not a de Polignac number, because 133123124433 - 2² = 133123124429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133123124433.

It is not an unprimeable number, because it can be changed into a prime (133123124423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2966710 + ... + 3011247.

It is an arithmetic number, because the mean of its divisors is an integer number (11967871916).

Almost surely, 2^133123124433 is an apocalyptic number.

133123124433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133123124433 is a deficient number, since it is larger than the sum of its proper divisors (58362826223).

133123124433 is a wasteful number, since it uses less digits than its factorization.

133123124433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5978544.

The product of its digits is 15552, while the sum is 30.

Adding to 133123124433 its reverse (334421321331), we get a palindrome (467544445764).

The spelling of 133123124433 in words is "one hundred thirty-three billion, one hundred twenty-three million, one hundred twenty-four thousand, four hundred thirty-three".