133143202423 has 16 divisors (see below), whose sum is σ = 166005596160. Its totient is φ = 103742402400.

The previous prime is 133143202399. The next prime is 133143202457. The reversal of 133143202423 is 324202341331.

It is a happy number.

It is not a de Polignac number, because 133143202423 - 2⁹ = 133143201911 is a prime.

It is a super-2 number, since 2×133143202423² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133143202391 and 133143202400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133143202463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1971018 + ... + 2037448.

It is an arithmetic number, because the mean of its divisors is an integer number (10375349760).

Almost surely, 2^133143202423 is an apocalyptic number.

133143202423 is a deficient number, since it is larger than the sum of its proper divisors (32862393737).

133143202423 is a wasteful number, since it uses less digits than its factorization.

133143202423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92478.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 133143202423 its reverse (324202341331), we get a palindrome (457345543754).

The spelling of 133143202423 in words is "one hundred thirty-three billion, one hundred forty-three million, two hundred two thousand, four hundred twenty-three".