23361560 has 64 divisors (see below), whose sum is σ = 55814400. Its totient is φ = 8781696.

The previous prime is 23361539. The next prime is 23361589. The reversal of 23361560 is 6516332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61451 + ... + 61829.

It is an arithmetic number, because the mean of its divisors is an integer number (872100).

Almost surely, 2^23361560 is an apocalyptic number.

23361560 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 23361560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27907200).

23361560 is an abundant number, since it is smaller than the sum of its proper divisors (32452840).

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

23361560 is a wasteful number, since it uses less digits than its factorization.

23361560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 23361560 is about 4833.3797698919. The cubic root of 23361560 is about 285.8691431948.

Adding to 23361560 its reverse (6516332), we get a palindrome (29877892).

The spelling of 23361560 in words is "twenty-three million, three hundred sixty-one thousand, five hundred sixty".