23040133 has 4 divisors (see below), whose sum is σ = 23054220. Its totient is φ = 23026048.

The previous prime is 23040109. The next prime is 23040167. The reversal of 23040133 is 33104032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13786369 + 9253764 = 3713^2 + 3042^2 .

It is a cyclic number.

It is not a de Polignac number, because 23040133 - 2¹³ = 23031941 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 (23040833) 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, 4210 + ... + 7987.

It is an arithmetic number, because the mean of its divisors is an integer number (5763555).

Almost surely, 2^23040133 is an apocalyptic number.

It is an amenable number.

23040133 is a deficient number, since it is larger than the sum of its proper divisors (14087).

23040133 is a wasteful number, since it uses less digits than its factorization.

23040133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14086.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 23040133 is about 4800.0138541467. The cubic root of 23040133 is about 284.5520118892.

Adding to 23040133 its reverse (33104032), we get a palindrome (56144165).

The spelling of 23040133 in words is "twenty-three million, forty thousand, one hundred thirty-three".