23668780 has 24 divisors (see below), whose sum is σ = 49796208. Its totient is φ = 9450048.

The previous prime is 23668739. The next prime is 23668783. The reversal of 23668780 is 8786632.

It is a happy number.

It is a super-2 number, since 2×23668780² = 1120422293376800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23668783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19347 + ... + 20533.

It is an arithmetic number, because the mean of its divisors is an integer number (2074842).

Almost surely, 2^23668780 is an apocalyptic number.

23668780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23668780 is an abundant number, since it is smaller than the sum of its proper divisors (26127428).

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

23668780 is a wasteful number, since it uses less digits than its factorization.

23668780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2193 (or 2191 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 23668780 is about 4865.0570397478. The cubic root of 23668780 is about 287.1168127567.

The spelling of 23668780 in words is "twenty-three million, six hundred sixty-eight thousand, seven hundred eighty".