23587420 has 48 divisors (see below), whose sum is σ = 52835328. Its totient is φ = 8824640.

The previous prime is 23587409. The next prime is 23587441. The reversal of 23587420 is 2478532.

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, 21075 + ... + 22165.

It is an arithmetic number, because the mean of its divisors is an integer number (1100736).

Almost surely, 2^23587420 is an apocalyptic number.

23587420 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 23587420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26417664).

23587420 is an abundant number, since it is smaller than the sum of its proper divisors (29247908).

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

23587420 is a wasteful number, since it uses less digits than its factorization.

23587420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170 (or 1168 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 23587420 is about 4856.6881719954. The cubic root of 23587420 is about 286.7874528557.

The spelling of 23587420 in words is "twenty-three million, five hundred eighty-seven thousand, four hundred twenty".