23072133 has 8 divisors (see below), whose sum is σ = 35157568. Its totient is φ = 13184064.

The previous prime is 23072131. The next prime is 23072167. The reversal of 23072133 is 33127032.

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

It is not a de Polignac number, because 23072133 - 2¹ = 23072131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1098673 = 23072133 / (2 + 3 + 0 + 7 + 2 + 1 + 3 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23072131) 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, 549316 + ... + 549357.

It is an arithmetic number, because the mean of its divisors is an integer number (4394696).

Almost surely, 2^23072133 is an apocalyptic number.

It is an amenable number.

23072133 is a deficient number, since it is larger than the sum of its proper divisors (12085435).

23072133 is a wasteful number, since it uses less digits than its factorization.

23072133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098683.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 23072133 is about 4803.3460212648. The cubic root of 23072133 is about 284.6836872296.

Adding to 23072133 its reverse (33127032), we get a palindrome (56199165).

The spelling of 23072133 in words is "twenty-three million, seventy-two thousand, one hundred thirty-three".