23986385 has 4 divisors (see below), whose sum is σ = 28783668. Its totient is φ = 19189104.

The previous prime is 23986381. The next prime is 23986387. The reversal of 23986385 is 58368932.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8994001 + 14992384 = 2999^2 + 3872^2 .

It is a cyclic number.

It is not a de Polignac number, because 23986385 - 2² = 23986381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23986381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2398634 + ... + 2398643.

It is an arithmetic number, because the mean of its divisors is an integer number (7195917).

Almost surely, 2^23986385 is an apocalyptic number.

It is an amenable number.

23986385 is a deficient number, since it is larger than the sum of its proper divisors (4797283).

23986385 is an equidigital number, since it uses as much as digits as its factorization.

23986385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4797282.

The product of its digits is 311040, while the sum is 44.

The square root of 23986385 is about 4897.5897133182. The cubic root of 23986385 is about 288.3953586664.

The spelling of 23986385 in words is "twenty-three million, nine hundred eighty-six thousand, three hundred eighty-five".