23051560 has 96 divisors (see below), whose sum is σ = 63612000. Its totient is φ = 7475328.

The previous prime is 23051527. The next prime is 23051603. The reversal of 23051560 is 6515032.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36931 + ... + 37549.

It is an arithmetic number, because the mean of its divisors is an integer number (662625).

Almost surely, 2^23051560 is an apocalyptic number.

23051560 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 23051560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31806000).

23051560 is an abundant number, since it is smaller than the sum of its proper divisors (40560440).

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

23051560 is a wasteful number, since it uses less digits than its factorization.

23051560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 23051560 is about 4801.2040156611. The cubic root of 23051560 is about 284.5990463173.

Adding to 23051560 its reverse (6515032), we get a palindrome (29566592).

The spelling of 23051560 in words is "twenty-three million, fifty-one thousand, five hundred sixty".