11523630 has 32 divisors (see below), whose sum is σ = 28551168. Its totient is φ = 2973600.

The previous prime is 11523593. The next prime is 11523641. The reversal of 11523630 is 3632511.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11523597 and 11523606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5266 + ... + 7125.

It is an arithmetic number, because the mean of its divisors is an integer number (892224).

Almost surely, 2^11523630 is an apocalyptic number.

11523630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11523630 is an abundant number, since it is smaller than the sum of its proper divisors (17027538).

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

11523630 is a wasteful number, since it uses less digits than its factorization.

11523630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12432.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 11523630 is about 3394.6472570799. The cubic root of 11523630 is about 225.8723663901.

The spelling of 11523630 in words is "eleven million, five hundred twenty-three thousand, six hundred thirty".