23605320 has 64 divisors (see below), whose sum is σ = 71208000. Its totient is φ = 6259968.

The previous prime is 23605319. The next prime is 23605321. The reversal of 23605320 is 2350632.

It is an interprime number because it is at equal distance from previous prime (23605319) and next prime (23605321).

It is a super-2 number, since 2×23605320² = 1114422264604800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23605321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27051 + ... + 27909.

It is an arithmetic number, because the mean of its divisors is an integer number (1112625).

Almost surely, 2^23605320 is an apocalyptic number.

23605320 is a gapful number since it is divisible by the number (20) 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 23605320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35604000).

23605320 is an abundant number, since it is smaller than the sum of its proper divisors (47602680).

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

23605320 is a wasteful number, since it uses less digits than its factorization.

23605320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102 (or 1098 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 23605320 is about 4858.5306420769. The cubic root of 23605320 is about 286.8599801801.

Adding to 23605320 its reverse (2350632), we get a palindrome (25955952).

The spelling of 23605320 in words is "twenty-three million, six hundred five thousand, three hundred twenty".