23001133 has 4 divisors (see below), whose sum is σ = 23016960. Its totient is φ = 22985308.

The previous prime is 23001109. The next prime is 23001137. The reversal of 23001133 is 33110032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23001133 - 2¹³ = 22992941 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 (23001137) 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, 5485 + ... + 8722.

It is an arithmetic number, because the mean of its divisors is an integer number (5754240).

Almost surely, 2^23001133 is an apocalyptic number.

It is an amenable number.

23001133 is a deficient number, since it is larger than the sum of its proper divisors (15827).

23001133 is a wasteful number, since it uses less digits than its factorization.

23001133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15826.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 23001133 is about 4795.9496452736. The cubic root of 23001133 is about 284.3913676205.

Adding to 23001133 its reverse (33110032), we get a palindrome (56111165).

The spelling of 23001133 in words is "twenty-three million, one thousand, one hundred thirty-three".