133133221133023 has 4 divisors (see below), whose sum is σ = 133171621257960. Its totient is φ = 133094821008088.

The previous prime is 133133221132927. The next prime is 133133221133027. The reversal of 133133221133023 is 320331122331331.

It is a happy number.

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-133133221133023 is a prime.

It is a super-2 number, since 2×133133221133023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133133221133027) 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, 19200057268 + ... + 19200064201.

It is an arithmetic number, because the mean of its divisors is an integer number (33292905314490).

Almost surely, 2^{133133221133023} is an apocalyptic number.

133133221133023 is a deficient number, since it is larger than the sum of its proper divisors (38400124937).

133133221133023 is an equidigital number, since it uses as much as digits as its factorization.

133133221133023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38400124936.

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 133133221133023 its reverse (320331122331331), we get a palindrome (453464343464354).

The spelling of 133133221133023 in words is "one hundred thirty-three trillion, one hundred thirty-three billion, two hundred twenty-one million, one hundred thirty-three thousand, twenty-three".