23217948 has 96 divisors (see below), whose sum is σ = 67737600. Its totient is φ = 6823872.

The previous prime is 23217941. The next prime is 23217949. The reversal of 23217948 is 84971232.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23217941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31933 + ... + 32651.

It is an arithmetic number, because the mean of its divisors is an integer number (705600).

Almost surely, 2^23217948 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 23217948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33868800).

23217948 is an abundant number, since it is smaller than the sum of its proper divisors (44519652).

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

23217948 is a wasteful number, since it uses less digits than its factorization.

23217948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 760 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 23217948 is about 4818.5005966587. The cubic root of 23217948 is about 285.2821582361.

The spelling of 23217948 in words is "twenty-three million, two hundred seventeen thousand, nine hundred forty-eight".