23990064 has 40 divisors (see below), whose sum is σ = 70828800. Its totient is φ = 6854208.

The previous prime is 23990059. The next prime is 23990089. The reversal of 23990064 is 46009932.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35364 + ... + 36035.

It is an arithmetic number, because the mean of its divisors is an integer number (1770720).

Almost surely, 2^23990064 is an apocalyptic number.

23990064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23990064 is an abundant number, since it is smaller than the sum of its proper divisors (46838736).

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

23990064 is a wasteful number, since it uses less digits than its factorization.

23990064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71417 (or 71411 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 23990064 is about 4897.9652918329. The cubic root of 23990064 is about 288.4101024788.

Adding to 23990064 its reverse (46009932), we get a palindrome (69999996).

The spelling of 23990064 in words is "twenty-three million, nine hundred ninety thousand, sixty-four".