23609456 has 40 divisors (see below), whose sum is σ = 49580160. Its totient is φ = 10826496.

The previous prime is 23609449. The next prime is 23609461. The reversal of 23609456 is 65490632.

It is a congruent number.

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, 46130 + ... + 46638.

It is an arithmetic number, because the mean of its divisors is an integer number (1239504).

Almost surely, 2^23609456 is an apocalyptic number.

23609456 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23609456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24790080).

23609456 is an abundant number, since it is smaller than the sum of its proper divisors (25970704).

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

23609456 is a wasteful number, since it uses less digits than its factorization.

23609456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753 (or 747 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 23609456 is about 4858.9562665247. The cubic root of 23609456 is about 286.8767332339.

The spelling of 23609456 in words is "twenty-three million, six hundred nine thousand, four hundred fifty-six".