23490560 has 104 divisors (see below), whose sum is σ = 59761536. Its totient is φ = 8847360.

The previous prime is 23490547. The next prime is 23490611. The reversal of 23490560 is 6509432.

It is a super-2 number, since 2×23490560² = 1103612818227200, which contains 22 as substring.

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, 634862 + ... + 634898.

Almost surely, 2^23490560 is an apocalyptic number.

23490560 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 23490560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29880768).

23490560 is an abundant number, since it is smaller than the sum of its proper divisors (36270976).

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

23490560 is an equidigital number, since it uses as much as digits as its factorization.

23490560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 23490560 is about 4846.7060979597. The cubic root of 23490560 is about 286.3943571186.

Adding to 23490560 its reverse (6509432), we get a palindrome (29999992).

The spelling of 23490560 in words is "twenty-three million, four hundred ninety thousand, five hundred sixty".