23740213 has 8 divisors (see below), whose sum is σ = 27339840. Its totient is φ = 20192640.

The previous prime is 23740207. The next prime is 23740231. The reversal of 23740213 is 31204732.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23740213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23240213) 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, 12028 + ... + 13861.

It is an arithmetic number, because the mean of its divisors is an integer number (3417480).

Almost surely, 2^23740213 is an apocalyptic number.

It is an amenable number.

23740213 is a deficient number, since it is larger than the sum of its proper divisors (3599627).

23740213 is a wasteful number, since it uses less digits than its factorization.

23740213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26027.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 23740213 is about 4872.3929439240. The cubic root of 23740213 is about 287.4053646939.

Adding to 23740213 its reverse (31204732), we get a palindrome (54944945).

The spelling of 23740213 in words is "twenty-three million, seven hundred forty thousand, two hundred thirteen".