23439208 has 64 divisors (see below), whose sum is σ = 50803200. Its totient is φ = 10053120.

The previous prime is 23439203. The next prime is 23439211. The reversal of 23439208 is 80293432.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 23439208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23439203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97953 + ... + 98191.

It is an arithmetic number, because the mean of its divisors is an integer number (793800).

Almost surely, 2^23439208 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 23439208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25401600).

23439208 is an abundant number, since it is smaller than the sum of its proper divisors (27363992).

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

23439208 is a wasteful number, since it uses less digits than its factorization.

23439208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 23439208 is about 4841.4055810271. The cubic root of 23439208 is about 286.1855121919.

The spelling of 23439208 in words is "twenty-three million, four hundred thirty-nine thousand, two hundred eight".