23526720 has 224 divisors, whose sum is σ = 95097600. Its totient is φ = 5363712.

The previous prime is 23526707. The next prime is 23526733. The reversal of 23526720 is 2762532.

It is an interprime number because it is at equal distance from previous prime (23526707) and next prime (23526733).

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60286 + ... + 60674.

Almost surely, 2^23526720 is an apocalyptic number.

23526720 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 23526720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47548800).

23526720 is an abundant number, since it is smaller than the sum of its proper divisors (71570880).

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

23526720 is a wasteful number, since it uses less digits than its factorization.

23526720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 23526720 is about 4850.4350320358. The cubic root of 23526720 is about 286.5412347108.

The spelling of 23526720 in words is "twenty-three million, five hundred twenty-six thousand, seven hundred twenty".