23523500 has 192 divisors, whose sum is σ = 70447104. Its totient is φ = 6624000.

The previous prime is 23523473. The next prime is 23523541. The reversal of 23523500 is 532532.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 63 ways as a sum of consecutive naturals, for example, 500477 + ... + 500523.

It is an arithmetic number, because the mean of its divisors is an integer number (366912).

Almost surely, 2^23523500 is an apocalyptic number.

23523500 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 23523500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35223552).

23523500 is an abundant number, since it is smaller than the sum of its proper divisors (46923604).

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

23523500 is a wasteful number, since it uses less digits than its factorization.

23523500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 23523500 is about 4850.1030916878. The cubic root of 23523500 is about 286.5281615629.

It can be divided in two parts, 235 and 23500, that multiplied together give a square (5522500 = 2350²).

The spelling of 23523500 in words is "twenty-three million, five hundred twenty-three thousand, five hundred".