23011433 has 4 divisors (see below), whose sum is σ = 23215188. Its totient is φ = 22807680.

The previous prime is 23011427. The next prime is 23011459. The reversal of 23011433 is 33411032.

It is a happy number.

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 6012304 + 16999129 = 2452^2 + 4123^2 .

It is a cyclic number.

It is not a de Polignac number, because 23011433 - 2⁶ = 23011369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23011463) 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, 101708 + ... + 101933.

It is an arithmetic number, because the mean of its divisors is an integer number (5803797).

Almost surely, 2^23011433 is an apocalyptic number.

It is an amenable number.

23011433 is a deficient number, since it is larger than the sum of its proper divisors (203755).

23011433 is a wasteful number, since it uses less digits than its factorization.

23011433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203754.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 23011433 is about 4797.0233478690. The cubic root of 23011433 is about 284.4338118189.

Adding to 23011433 its reverse (33411032), we get a palindrome (56422465).

The spelling of 23011433 in words is "twenty-three million, eleven thousand, four hundred thirty-three".