23506680 has 128 divisors (see below), whose sum is σ = 74649600. Its totient is φ = 5913600.

The previous prime is 23506663. The next prime is 23506697. The reversal of 23506680 is 8660532.

It is an interprime number because it is at equal distance from previous prime (23506663) and next prime (23506697).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264076 + ... + 264164.

It is an arithmetic number, because the mean of its divisors is an integer number (583200).

Almost surely, 2^23506680 is an apocalyptic number.

23506680 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 23506680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37324800).

23506680 is an abundant number, since it is smaller than the sum of its proper divisors (51142920).

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

23506680 is a wasteful number, since it uses less digits than its factorization.

23506680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 23506680 is about 4848.3687978536. The cubic root of 23506680 is about 286.4598532356.

The spelling of 23506680 in words is "twenty-three million, five hundred six thousand, six hundred eighty".