133332423 has 32 divisors (see below), whose sum is σ = 210854400. Its totient is φ = 73353600.

The previous prime is 133332361. The next prime is 133332431. The reversal of 133332423 is 324233331.

It is a happy number.

It is not a de Polignac number, because 133332423 - 2⁶ = 133332359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133332393 and 133332402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133332323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77628 + ... + 79326.

It is an arithmetic number, because the mean of its divisors is an integer number (6589200).

Almost surely, 2^133332423 is an apocalyptic number.

133332423 is a deficient number, since it is larger than the sum of its proper divisors (77521977).

133332423 is a wasteful number, since it uses less digits than its factorization.

133332423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847.

The product of its digits is 3888, while the sum is 24.

The square root of 133332423 is about 11546.9659651356. The cubic root of 133332423 is about 510.8717922647.

Adding to 133332423 its reverse (324233331), we get a palindrome (457565754).

The spelling of 133332423 in words is "one hundred thirty-three million, three hundred thirty-two thousand, four hundred twenty-three".