23031133 has 8 divisors (see below), whose sum is σ = 23882400. Its totient is φ = 22183728.

The previous prime is 23031121. The next prime is 23031157. The reversal of 23031133 is 33113032.

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 23031133 - 2²¹ = 20933981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17310 + ... + 18592.

It is an arithmetic number, because the mean of its divisors is an integer number (2985300).

Almost surely, 2^23031133 is an apocalyptic number.

It is an amenable number.

23031133 is a deficient number, since it is larger than the sum of its proper divisors (851267).

23031133 is a wasteful number, since it uses less digits than its factorization.

23031133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 23031133 is about 4799.0762652827. The cubic root of 23031133 is about 284.5149562345.

Adding to 23031133 its reverse (33113032), we get a palindrome (56144165).

The spelling of 23031133 in words is "twenty-three million, thirty-one thousand, one hundred thirty-three".