23649427 has 2 divisors, whose sum is σ = 23649428. Its totient is φ = 23649426.

The previous prime is 23649419. The next prime is 23649443. The reversal of 23649427 is 72494632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23649427 - 2³ = 23649419 is a prime.

It is not a weakly prime, because it can be changed into another prime (23649407) 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 as a sum of consecutive naturals, namely, 11824713 + 11824714.

It is an arithmetic number, because the mean of its divisors is an integer number (11824714).

Almost surely, 2^23649427 is an apocalyptic number.

23649427 is a deficient number, since it is larger than the sum of its proper divisors (1).

23649427 is an equidigital number, since it uses as much as digits as its factorization.

23649427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 37.

The square root of 23649427 is about 4863.0676532411. The cubic root of 23649427 is about 287.0385368334.

The spelling of 23649427 in words is "twenty-three million, six hundred forty-nine thousand, four hundred twenty-seven".