23011208 has 32 divisors (see below), whose sum is σ = 47520000. Its totient is φ = 10359360.

The previous prime is 23011189. The next prime is 23011211. The reversal of 23011208 is 80211032.

It is a Cunningham number, because it is equal to 4797²-1.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8393 + ... + 10791.

It is an arithmetic number, because the mean of its divisors is an integer number (1485000).

Almost surely, 2^23011208 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 23011208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23760000).

23011208 is an abundant number, since it is smaller than the sum of its proper divisors (24508792).

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

23011208 is a wasteful number, since it uses less digits than its factorization.

23011208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525 (or 2521 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 23011208 is about 4796.9998957682. Note that the first 3 decimals coincide. The cubic root of 23011208 is about 284.4328847751.

The spelling of 23011208 in words is "twenty-three million, eleven thousand, two hundred eight".