133423052 has 12 divisors (see below), whose sum is σ = 266846160. Its totient is φ = 57181296.

The previous prime is 133423051. The next prime is 133423079. The reversal of 133423052 is 250324331.

133423052 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (133423051) 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, 2382527 + ... + 2382582.

It is an arithmetic number, because the mean of its divisors is an integer number (22237180).

Almost surely, 2^133423052 is an apocalyptic number.

It is an amenable number.

133423052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133423052 is a wasteful number, since it uses less digits than its factorization.

133423052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765120 (or 4765118 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 133423052 is about 11550.8896627056. The cubic root of 133423052 is about 510.9875163380.

Adding to 133423052 its reverse (250324331), we get a palindrome (383747383).

The spelling of 133423052 in words is "one hundred thirty-three million, four hundred twenty-three thousand, fifty-two".