133454523 has 8 divisors (see below), whose sum is σ = 182748688. Its totient is φ = 86565024.

The previous prime is 133454513. The next prime is 133454527. The reversal of 133454523 is 325454331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133454523 - 2⁴ = 133454507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133454527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601036 + ... + 601257.

It is an arithmetic number, because the mean of its divisors is an integer number (22843586).

Almost surely, 2^133454523 is an apocalyptic number.

133454523 is a deficient number, since it is larger than the sum of its proper divisors (49294165).

133454523 is a wasteful number, since it uses less digits than its factorization.

133454523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202333.

The product of its digits is 21600, while the sum is 30.

The square root of 133454523 is about 11552.2518584041. The cubic root of 133454523 is about 511.0276893658.

The spelling of 133454523 in words is "one hundred thirty-three million, four hundred fifty-four thousand, five hundred twenty-three".