23212541 has 8 divisors (see below), whose sum is σ = 25466400. Its totient is φ = 20982640.

The previous prime is 23212537. The next prime is 23212549. The reversal of 23212541 is 14521232.

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 23212541 - 2² = 23212537 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212549) 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, 3926 + ... + 7863.

It is an arithmetic number, because the mean of its divisors is an integer number (3183300).

Almost surely, 2^23212541 is an apocalyptic number.

It is an amenable number.

23212541 is a deficient number, since it is larger than the sum of its proper divisors (2253859).

23212541 is a wasteful number, since it uses less digits than its factorization.

23212541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11979.

The product of its digits is 480, while the sum is 20.

The square root of 23212541 is about 4817.9394973370. The cubic root of 23212541 is about 285.2600109963.

Adding to 23212541 its reverse (14521232), we get a palindrome (37733773).

The spelling of 23212541 in words is "twenty-three million, two hundred twelve thousand, five hundred forty-one".