23399712 has 192 divisors, whose sum is σ = 80559360. Its totient is φ = 6469632.

The previous prime is 23399711. The next prime is 23399729. The reversal of 23399712 is 21799332.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is not an unprimeable number, because it can be changed into a prime (23399711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 320508 + ... + 320580.

It is an arithmetic number, because the mean of its divisors is an integer number (419580).

Almost surely, 2^23399712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23399712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40279680).

23399712 is an abundant number, since it is smaller than the sum of its proper divisors (57159648).

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

23399712 is a wasteful number, since it uses less digits than its factorization.

23399712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 138 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 23399712 is about 4837.3248805512. The cubic root of 23399712 is about 286.0246771541.

The spelling of 23399712 in words is "twenty-three million, three hundred ninety-nine thousand, seven hundred twelve".