23432533 has 4 divisors (see below), whose sum is σ = 23443180. Its totient is φ = 23421888.

The previous prime is 23432527. The next prime is 23432537. The reversal of 23432533 is 33523432.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6932689 + 16499844 = 2633^2 + 4062^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23432533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23432498 and 23432507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23432537) 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 3 ways as a sum of consecutive naturals, for example, 660 + ... + 6877.

It is an arithmetic number, because the mean of its divisors is an integer number (5860795).

Almost surely, 2^23432533 is an apocalyptic number.

It is an amenable number.

23432533 is a deficient number, since it is larger than the sum of its proper divisors (10647).

23432533 is an equidigital number, since it uses as much as digits as its factorization.

23432533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10646.

The product of its digits is 6480, while the sum is 25.

The square root of 23432533 is about 4840.7161660234. The cubic root of 23432533 is about 286.1583430478.

Adding to 23432533 its reverse (33523432), we get a palindrome (56955965).

The spelling of 23432533 in words is "twenty-three million, four hundred thirty-two thousand, five hundred thirty-three".