133251323 has 8 divisors (see below), whose sum is σ = 135702000. Its totient is φ = 130807168.

The previous prime is 133251289. The next prime is 133251329. The reversal of 133251323 is 323152331.

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

It is a cyclic number.

It is not a de Polignac number, because 133251323 - 2²⁰ = 132202747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133251329) 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, 60815 + ... + 62967.

It is an arithmetic number, because the mean of its divisors is an integer number (16962750).

Almost surely, 2^133251323 is an apocalyptic number.

133251323 is a deficient number, since it is larger than the sum of its proper divisors (2450677).

133251323 is a wasteful number, since it uses less digits than its factorization.

133251323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3261.

The product of its digits is 1620, while the sum is 23.

The square root of 133251323 is about 11543.4536859642. The cubic root of 133251323 is about 510.7681912935.

The spelling of 133251323 in words is "one hundred thirty-three million, two hundred fifty-one thousand, three hundred twenty-three".