23447008 has 48 divisors (see below), whose sum is σ = 50168160. Its totient is φ = 10722816.

The previous prime is 23446999. The next prime is 23447009. The reversal of 23447008 is 80074432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23447009) 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, 65133 + ... + 65491.

It is an arithmetic number, because the mean of its divisors is an integer number (1045170).

Almost surely, 2^23447008 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 23447008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25084080).

23447008 is an abundant number, since it is smaller than the sum of its proper divisors (26721152).

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

23447008 is a wasteful number, since it uses less digits than its factorization.

23447008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 23447008 is about 4842.2110652056. The cubic root of 23447008 is about 286.2172538706.

The spelling of 23447008 in words is "twenty-three million, four hundred forty-seven thousand, eight".