133143401023 has 4 divisors (see below), whose sum is σ = 133151429160. Its totient is φ = 133135372888.

The previous prime is 133143400939. The next prime is 133143401071. The reversal of 133143401023 is 320104341331.

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 133143401023 - 2²⁵ = 133109846591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133143401623) 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, 3989140 + ... + 4022377.

It is an arithmetic number, because the mean of its divisors is an integer number (33287857290).

Almost surely, 2^133143401023 is an apocalyptic number.

133143401023 is a deficient number, since it is larger than the sum of its proper divisors (8028137).

133143401023 is an equidigital number, since it uses as much as digits as its factorization.

133143401023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8028136.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 133143401023 its reverse (320104341331), we get a palindrome (453247742354).

The spelling of 133143401023 in words is "one hundred thirty-three billion, one hundred forty-three million, four hundred one thousand, twenty-three".