23505630 has 32 divisors (see below), whose sum is σ = 56968704. Its totient is φ = 6206496.

The previous prime is 23505617. The next prime is 23505637. The reversal of 23505630 is 3650532.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 23505630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23505637) 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, 714 + ... + 6893.

It is an arithmetic number, because the mean of its divisors is an integer number (1780272).

Almost surely, 2^23505630 is an apocalyptic number.

23505630 is an abundant number, since it is smaller than the sum of its proper divisors (33463074).

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

23505630 is a wasteful number, since it uses less digits than its factorization.

23505630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7720.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 23505630 is about 4848.2605128025. The cubic root of 23505630 is about 286.4555879612.

The spelling of 23505630 in words is "twenty-three million, five hundred five thousand, six hundred thirty".