23240133 has 24 divisors (see below), whose sum is σ = 38770368. Its totient is φ = 13139712.

The previous prime is 23240131. The next prime is 23240149. The reversal of 23240133 is 33104232.

23240133 is a `hidden beast` number, since 232 + 401 + 33 = 666.

It is not a de Polignac number, because 23240133 - 2¹ = 23240131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23240131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4210 + ... + 8012.

It is an arithmetic number, because the mean of its divisors is an integer number (1615432).

Almost surely, 2^23240133 is an apocalyptic number.

It is an amenable number.

23240133 is a deficient number, since it is larger than the sum of its proper divisors (15530235).

23240133 is a wasteful number, since it uses less digits than its factorization.

23240133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3913 (or 3910 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 23240133 is about 4820.8021116822. The cubic root of 23240133 is about 285.3729927053.

Adding to 23240133 its reverse (33104232), we get a palindrome (56344365).

The spelling of 23240133 in words is "twenty-three million, two hundred forty thousand, one hundred thirty-three".