11723630 has 16 divisors (see below), whose sum is σ = 21164544. Its totient is φ = 4675680.

The previous prime is 11723603. The next prime is 11723681. The reversal of 11723630 is 3632711.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11723596 and 11723605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2300 + ... + 5360.

It is an arithmetic number, because the mean of its divisors is an integer number (1322784).

Almost surely, 2^11723630 is an apocalyptic number.

11723630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11723630 is a deficient number, since it is larger than the sum of its proper divisors (9440914).

11723630 is a wasteful number, since it uses less digits than its factorization.

11723630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3451.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 11723630 is about 3423.9786798402. The cubic root of 11723630 is about 227.1715987898.

The spelling of 11723630 in words is "eleven million, seven hundred twenty-three thousand, six hundred thirty".