133233423 has 8 divisors (see below), whose sum is σ = 177765168. Its totient is φ = 88761984.

The previous prime is 133233407. The next prime is 133233431. The reversal of 133233423 is 324332331.

It is a happy number.

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

It is not a de Polignac number, because 133233423 - 2⁴ = 133233407 is a prime.

It is a super-2 number, since 2×133233423² = 35502290008593858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133233393 and 133233402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133233473) 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, 9640 + ... + 18957.

It is an arithmetic number, because the mean of its divisors is an integer number (22220646).

Almost surely, 2^133233423 is an apocalyptic number.

133233423 is a deficient number, since it is larger than the sum of its proper divisors (44531745).

133233423 is a wasteful number, since it uses less digits than its factorization.

133233423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30153.

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

The square root of 133233423 is about 11542.6783287069. The cubic root of 133233423 is about 510.7453193254.

Adding to 133233423 its reverse (324332331), we get a palindrome (457565754).

The spelling of 133233423 in words is "one hundred thirty-three million, two hundred thirty-three thousand, four hundred twenty-three".