133123311223 has 8 divisors (see below), whose sum is σ = 153338888192. Its totient is φ = 113207224536.

The previous prime is 133123311199. The next prime is 133123311229. The reversal of 133123311223 is 322113321331.

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

It is not a de Polignac number, because 133123311223 - 2²¹ = 133121214071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133123311229) 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 7 ways as a sum of consecutive naturals, for example, 74871615 + ... + 74873392.

It is an arithmetic number, because the mean of its divisors is an integer number (19167361024).

Almost surely, 2^133123311223 is an apocalyptic number.

133123311223 is a deficient number, since it is larger than the sum of its proper divisors (20215576969).

133123311223 is a wasteful number, since it uses less digits than its factorization.

133123311223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149745141.

The product of its digits is 1944, while the sum is 25.

Adding to 133123311223 its reverse (322113321331), we get a palindrome (455236632554).

The spelling of 133123311223 in words is "one hundred thirty-three billion, one hundred twenty-three million, three hundred eleven thousand, two hundred twenty-three".