133143523023 has 16 divisors (see below), whose sum is σ = 203634031616. Its totient is φ = 75801264480.

The previous prime is 133143522961. The next prime is 133143523081. The reversal of 133143523023 is 320325341331.

It is not a de Polignac number, because 133143523023 - 2³⁶ = 64424046287 is a prime.

It is a super-2 number, since 2×133143523023² (a number of 23 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 (133143523223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11692036 + ... + 11703417.

It is an arithmetic number, because the mean of its divisors is an integer number (12727126976).

Almost surely, 2^133143523023 is an apocalyptic number.

133143523023 is a deficient number, since it is larger than the sum of its proper divisors (70490508593).

133143523023 is a wasteful number, since it uses less digits than its factorization.

133143523023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23395734.

The product of its (nonzero) digits is 19440, while the sum is 30.

Adding to 133143523023 its reverse (320325341331), we get a palindrome (453468864354).

The spelling of 133143523023 in words is "one hundred thirty-three billion, one hundred forty-three million, five hundred twenty-three thousand, twenty-three".