23187064 has 8 divisors (see below), whose sum is σ = 43475760. Its totient is φ = 11593528.

The previous prime is 23187061. The next prime is 23187071. The reversal of 23187064 is 46078132.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23187061) 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, 1449184 + ... + 1449199.

It is an arithmetic number, because the mean of its divisors is an integer number (5434470).

Almost surely, 2^23187064 is an apocalyptic number.

It is an amenable number.

23187064 is a deficient number, since it is larger than the sum of its proper divisors (20288696).

23187064 is a wasteful number, since it uses less digits than its factorization.

23187064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898389 (or 2898385 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 23187064 is about 4815.2947988675. The cubic root of 23187064 is about 285.1556101070.

The spelling of 23187064 in words is "twenty-three million, one hundred eighty-seven thousand, sixty-four".