23505000 has 80 divisors (see below), whose sum is σ = 73476480. Its totient is φ = 6264000.

The previous prime is 23504983. The next prime is 23505059. The reversal of 23505000 is 50532.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14217 + ... + 15783.

It is an arithmetic number, because the mean of its divisors is an integer number (918456).

Almost surely, 2^23505000 is an apocalyptic number.

23505000 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 23505000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36738240).

23505000 is an abundant number, since it is smaller than the sum of its proper divisors (49971480).

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

23505000 is a wasteful number, since it uses less digits than its factorization.

23505000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596 (or 1577 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 23505000 is about 4848.1955406110. The cubic root of 23505000 is about 286.4530287356.

Adding to 23505000 its reverse (50532), we get a palindrome (23555532).

The spelling of 23505000 in words is "twenty-three million, five hundred five thousand".