133221333022123 has 4 divisors (see below), whose sum is σ = 133257329062848. Its totient is φ = 133185336981400.

The previous prime is 133221333022103. The next prime is 133221333022133. The reversal of 133221333022123 is 321220333122331.

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

It is a cyclic number.

It is not a de Polignac number, because 133221333022123 - 2⁵ = 133221333022091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133221333022103) 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 3 ways as a sum of consecutive naturals, for example, 17998014811 + ... + 17998022212.

It is an arithmetic number, because the mean of its divisors is an integer number (33314332265712).

Almost surely, 2^{133221333022123} is an apocalyptic number.

133221333022123 is a deficient number, since it is larger than the sum of its proper divisors (35996040725).

133221333022123 is an equidigital number, since it uses as much as digits as its factorization.

133221333022123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35996040724.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 133221333022123 its reverse (321220333122331), we get a palindrome (454441666144454).

The spelling of 133221333022123 in words is "one hundred thirty-three trillion, two hundred twenty-one billion, three hundred thirty-three million, twenty-two thousand, one hundred twenty-three".