23864213 has 2 divisors, whose sum is σ = 23864214. Its totient is φ = 23864212.

The previous prime is 23864207. The next prime is 23864219. The reversal of 23864213 is 31246832.

It is a balanced prime because it is at equal distance from previous prime (23864207) and next prime (23864219).

It can be written as a sum of positive squares in only one way, i.e., 22819729 + 1044484 = 4777^2 + 1022^2 .

It is a cyclic number.

It is not a de Polignac number, because 23864213 - 2²⁴ = 7086997 is a prime.

It is a super-3 number, since 3×23864213³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23864219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11932106 + 11932107.

It is an arithmetic number, because the mean of its divisors is an integer number (11932107).

Almost surely, 2^23864213 is an apocalyptic number.

It is an amenable number.

23864213 is a deficient number, since it is larger than the sum of its proper divisors (1).

23864213 is an equidigital number, since it uses as much as digits as its factorization.

23864213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 29.

The square root of 23864213 is about 4885.1011248489. The cubic root of 23864213 is about 287.9048883782.

The spelling of 23864213 in words is "twenty-three million, eight hundred sixty-four thousand, two hundred thirteen".