23603216 has 120 divisors (see below), whose sum is σ = 59906880. Its totient is φ = 8805888.

The previous prime is 23603213. The next prime is 23603227. The reversal of 23603216 is 61230632.

It is a super-2 number, since 2×23603216² = 1114223611085312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23603191 and 23603200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23603213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 548891 + ... + 548933.

It is an arithmetic number, because the mean of its divisors is an integer number (499224).

Almost surely, 2^23603216 is an apocalyptic number.

23603216 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 23603216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29953440).

23603216 is an abundant number, since it is smaller than the sum of its proper divisors (36303664).

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

23603216 is a wasteful number, since it uses less digits than its factorization.

23603216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 23603216 is about 4858.3141108825. The cubic root of 23603216 is about 286.8514570826.

Adding to 23603216 its reverse (61230632), we get a palindrome (84833848).

The spelling of 23603216 in words is "twenty-three million, six hundred three thousand, two hundred sixteen".