23685379 has 2 divisors, whose sum is σ = 23685380. Its totient is φ = 23685378.

The previous prime is 23685341. The next prime is 23685391. The reversal of 23685379 is 97358632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23685379 - 2⁹ = 23684867 is a prime.

It is not a weakly prime, because it can be changed into another prime (23685679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11842689 + 11842690.

It is an arithmetic number, because the mean of its divisors is an integer number (11842690).

Almost surely, 2^23685379 is an apocalyptic number.

23685379 is a deficient number, since it is larger than the sum of its proper divisors (1).

23685379 is an equidigital number, since it uses as much as digits as its factorization.

23685379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The square root of 23685379 is about 4866.7626817013. The cubic root of 23685379 is about 287.1839157549.

The spelling of 23685379 in words is "twenty-three million, six hundred eighty-five thousand, three hundred seventy-nine".