133422523 has 4 divisors (see below), whose sum is σ = 143685808. Its totient is φ = 123159240.

The previous prime is 133422493. The next prime is 133422539. The reversal of 133422523 is 325224331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325224331 = 17 ⋅19130843.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133422523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133422623) 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, 5131623 + ... + 5131648.

It is an arithmetic number, because the mean of its divisors is an integer number (35921452).

Almost surely, 2^133422523 is an apocalyptic number.

133422523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

133422523 is a deficient number, since it is larger than the sum of its proper divisors (10263285).

133422523 is a wasteful number, since it uses less digits than its factorization.

133422523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10263284.

The product of its digits is 4320, while the sum is 25.

The square root of 133422523 is about 11550.8667640139. The cubic root of 133422523 is about 510.9868410106.

Adding to 133422523 its reverse (325224331), we get a palindrome (458646854).

The spelling of 133422523 in words is "one hundred thirty-three million, four hundred twenty-two thousand, five hundred twenty-three".