23626140 has 48 divisors (see below), whose sum is σ = 66812928. Its totient is φ = 6237504.

The previous prime is 23626133. The next prime is 23626147. The reversal of 23626140 is 4162632.

It is an interprime number because it is at equal distance from previous prime (23626133) and next prime (23626147).

It is a self number, because there is not a number n which added to its sum of digits gives 23626140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23626147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4269 + ... + 8091.

It is an arithmetic number, because the mean of its divisors is an integer number (1391936).

Almost surely, 2^23626140 is an apocalyptic number.

23626140 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 23626140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33406464).

23626140 is an abundant number, since it is smaller than the sum of its proper divisors (43186788).

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

23626140 is a wasteful number, since it uses less digits than its factorization.

23626140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3938 (or 3936 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 23626140 is about 4860.6727929372. The cubic root of 23626140 is about 286.9442926677.

Adding to 23626140 its reverse (4162632), we get a palindrome (27788772).

The spelling of 23626140 in words is "twenty-three million, six hundred twenty-six thousand, one hundred forty".