23613616 has 40 divisors (see below), whose sum is σ = 49778064. Its totient is φ = 10786560.

The previous prime is 23613613. The next prime is 23613619. The reversal of 23613616 is 61631632.

It is an interprime number because it is at equal distance from previous prime (23613613) and next prime (23613619).

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (23613613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21726 + ... + 22786.

Almost surely, 2^23613616 is an apocalyptic number.

23613616 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 23613616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24889032).

23613616 is an abundant number, since it is smaller than the sum of its proper divisors (26164448).

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

23613616 is a wasteful number, since it uses less digits than its factorization.

23613616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189 (or 1183 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

The square root of 23613616 is about 4859.3843231422. The cubic root of 23613616 is about 286.8935815273.

The spelling of 23613616 in words is "twenty-three million, six hundred thirteen thousand, six hundred sixteen".