23481560 has 32 divisors (see below), whose sum is σ = 53015040. Its totient is φ = 9360384.

The previous prime is 23481559. The next prime is 23481581. The reversal of 23481560 is 6518432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13289 + ... + 14951.

It is an arithmetic number, because the mean of its divisors is an integer number (1656720).

Almost surely, 2^23481560 is an apocalyptic number.

23481560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23481560 is an abundant number, since it is smaller than the sum of its proper divisors (29533480).

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

23481560 is a wasteful number, since it uses less digits than its factorization.

23481560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027 (or 2023 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 23481560 is about 4845.7775433876. Note that the first 3 decimals coincide. The cubic root of 23481560 is about 286.3577767722.

Adding to 23481560 its reverse (6518432), we get a palindrome (29999992).

The spelling of 23481560 in words is "twenty-three million, four hundred eighty-one thousand, five hundred sixty".