23663000 has 32 divisors (see below), whose sum is σ = 55373760. Its totient is φ = 9464800.

The previous prime is 23662981. The next prime is 23663011. The reversal of 23663000 is 36632.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 10832 + ... + 12831.

It is an arithmetic number, because the mean of its divisors is an integer number (1730430).

Almost surely, 2^23663000 is an apocalyptic number.

23663000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23663000 is an abundant number, since it is smaller than the sum of its proper divisors (31710760).

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

23663000 is a wasteful number, since it uses less digits than its factorization.

23663000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23684 (or 23670 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 23663000 is about 4864.4629713875. The cubic root of 23663000 is about 287.0934392061.

Adding to 23663000 its reverse (36632), we get a palindrome (23699632).

It can be divided in two parts, 236 and 63000, that added together give a palindrome (63236).

The spelling of 23663000 in words is "twenty-three million, six hundred sixty-three thousand".