23840064 has 42 divisors (see below), whose sum is σ = 68334890. Its totient is φ = 7946496.

The previous prime is 23840057. The next prime is 23840077. The reversal of 23840064 is 46004832.

It can be written as a sum of positive squares in only one way, i.e., 21902400 + 1937664 = 4680^2 + 1392^2 .

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 20119 + ... + 21270.

Almost surely, 2^23840064 is an apocalyptic number.

23840064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23840064 is an abundant number, since it is smaller than the sum of its proper divisors (44494826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23840064 is a wasteful number, since it uses less digits than its factorization.

23840064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41407 (or 41394 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 23840064 is about 4882.6288001444. The cubic root of 23840064 is about 287.8077420548.

Adding to 23840064 its reverse (46004832), we get a palindrome (69844896).

The spelling of 23840064 in words is "twenty-three million, eight hundred forty thousand, sixty-four".