133011012223 has 4 divisors (see below), whose sum is σ = 133967926120. Its totient is φ = 132054098328.

The previous prime is 133011012187. The next prime is 133011012227. The reversal of 133011012223 is 322210110331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133011012223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133011012223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133011012227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478456740 + ... + 478457017.

It is an arithmetic number, because the mean of its divisors is an integer number (33491981530).

Almost surely, 2^133011012223 is an apocalyptic number.

133011012223 is a deficient number, since it is larger than the sum of its proper divisors (956913897).

133011012223 is an equidigital number, since it uses as much as digits as its factorization.

133011012223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956913896.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 133011012223 its reverse (322210110331), we get a palindrome (455221122554).

The spelling of 133011012223 in words is "one hundred thirty-three billion, eleven million, twelve thousand, two hundred twenty-three".