23363664 has 40 divisors (see below), whose sum is σ = 60933600. Its totient is φ = 7713408.

The previous prime is 23363651. The next prime is 23363689. The reversal of 23363664 is 46636332.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2862 + ... + 7410.

It is an arithmetic number, because the mean of its divisors is an integer number (1523340).

Almost surely, 2^23363664 is an apocalyptic number.

23363664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23363664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30466800).

23363664 is an abundant number, since it is smaller than the sum of its proper divisors (37569936).

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

23363664 is a wasteful number, since it uses less digits than its factorization.

23363664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667 (or 4661 counting only the distinct ones).

The product of its digits is 46656, while the sum is 33.

The square root of 23363664 is about 4833.5974180728. The cubic root of 23363664 is about 285.8777249650.

Adding to 23363664 its reverse (46636332), we get a palindrome (69999996).

The spelling of 23363664 in words is "twenty-three million, three hundred sixty-three thousand, six hundred sixty-four".