23661080 has 64 divisors (see below), whose sum is σ = 56678400. Its totient is φ = 8864640.

The previous prime is 23661067. The next prime is 23661103. The reversal of 23661080 is 8016632.

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, 123785 + ... + 123975.

It is an arithmetic number, because the mean of its divisors is an integer number (885600).

Almost surely, 2^23661080 is an apocalyptic number.

23661080 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 23661080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28339200).

23661080 is an abundant number, since it is smaller than the sum of its proper divisors (33017320).

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

23661080 is a wasteful number, since it uses less digits than its factorization.

23661080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 23661080 is about 4864.2656177475. The cubic root of 23661080 is about 287.0856741395.

It can be divided in two parts, 236 and 61080, that added together give a palindrome (61316).

The spelling of 23661080 in words is "twenty-three million, six hundred sixty-one thousand, eighty".