23680213 has 4 divisors (see below), whose sum is σ = 24926560. Its totient is φ = 22433868.

The previous prime is 23680199. The next prime is 23680243. The reversal of 23680213 is 31208632.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23680213 - 2¹³ = 23672021 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 (23680243) 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, 623145 + ... + 623182.

It is an arithmetic number, because the mean of its divisors is an integer number (6231640).

Almost surely, 2^23680213 is an apocalyptic number.

It is an amenable number.

23680213 is a deficient number, since it is larger than the sum of its proper divisors (1246347).

23680213 is a wasteful number, since it uses less digits than its factorization.

23680213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246346.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 23680213 is about 4866.2319098045. The cubic root of 23680213 is about 287.1630350816.

Adding to 23680213 its reverse (31208632), we get a palindrome (54888845).

The spelling of 23680213 in words is "twenty-three million, six hundred eighty thousand, two hundred thirteen".