23212533 has 8 divisors (see below), whose sum is σ = 31000896. Its totient is φ = 15449600.

The previous prime is 23212529. The next prime is 23212537. The reversal of 23212533 is 33521232.

It is an interprime number because it is at equal distance from previous prime (23212529) and next prime (23212537).

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

It is a cyclic number.

It is not a de Polignac number, because 23212533 - 2² = 23212529 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212537) 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 7 ways as a sum of consecutive naturals, for example, 4113 + ... + 7958.

It is an arithmetic number, because the mean of its divisors is an integer number (3875112).

Almost surely, 2^23212533 is an apocalyptic number.

It is an amenable number.

23212533 is a deficient number, since it is larger than the sum of its proper divisors (7788363).

23212533 is a wasteful number, since it uses less digits than its factorization.

23212533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12715.

The product of its digits is 1080, while the sum is 21.

The square root of 23212533 is about 4817.9386671065. The cubic root of 23212533 is about 285.2599782255.

Adding to 23212533 its reverse (33521232), we get a palindrome (56733765).

The spelling of 23212533 in words is "twenty-three million, two hundred twelve thousand, five hundred thirty-three".