23072016 has 80 divisors (see below), whose sum is σ = 66835008. Its totient is φ = 6796800.

The previous prime is 23072003. The next prime is 23072039. The reversal of 23072016 is 61027032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23071983 and 23072001.

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 15 ways as a sum of consecutive naturals, for example, 18946 + ... + 20126.

Almost surely, 2^23072016 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 23072016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33417504).

23072016 is an abundant number, since it is smaller than the sum of its proper divisors (43762992).

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

23072016 is a wasteful number, since it uses less digits than its factorization.

23072016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 23072016 is about 4803.3338422392. Note that the first 3 decimals coincide. The cubic root of 23072016 is about 284.6832060135.

Adding to 23072016 its reverse (61027032), we get a palindrome (84099048).

The spelling of 23072016 in words is "twenty-three million, seventy-two thousand, sixteen".