23403648 has 64 divisors (see below), whose sum is σ = 63280800. Its totient is φ = 7661568.

The previous prime is 23403637. The next prime is 23403691. The reversal of 23403648 is 84630432.

It is a tau number, because it is divible by the number of its divisors (64).

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, 22140 + ... + 23172.

Almost surely, 2^23403648 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 23403648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31640400).

23403648 is an abundant number, since it is smaller than the sum of its proper divisors (39877152).

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

23403648 is a wasteful number, since it uses less digits than its factorization.

23403648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 23403648 is about 4837.7316998775. The cubic root of 23403648 is about 286.0407133916.

The spelling of 23403648 in words is "twenty-three million, four hundred three thousand, six hundred forty-eight".