23684745 has 16 divisors (see below), whose sum is σ = 43309440. Its totient is φ = 10827264.

The previous prime is 23684741. The next prime is 23684789. The reversal of 23684745 is 54748632.

It is a happy number.

It is not a de Polignac number, because 23684745 - 2² = 23684741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23684741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112680 + ... + 112889.

It is an arithmetic number, because the mean of its divisors is an integer number (2706840).

Almost surely, 2^23684745 is an apocalyptic number.

It is an amenable number.

23684745 is a deficient number, since it is larger than the sum of its proper divisors (19624695).

23684745 is a wasteful number, since it uses less digits than its factorization.

23684745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225584.

The product of its digits is 161280, while the sum is 39.

The square root of 23684745 is about 4866.6975455641. The cubic root of 23684745 is about 287.1813533270.

The spelling of 23684745 in words is "twenty-three million, six hundred eighty-four thousand, seven hundred forty-five".