11823938 has 16 divisors (see below), whose sum is σ = 20969280. Its totient is φ = 4892496.

The previous prime is 11823923. The next prime is 11823943. The reversal of 11823938 is 83932811.

It is a junction number, because it is equal to n+sod(n) for n = 11823898 and 11823907.

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 7 ways as a sum of consecutive naturals, for example, 14156 + ... + 14967.

It is an arithmetic number, because the mean of its divisors is an integer number (1310580).

Almost surely, 2^11823938 is an apocalyptic number.

11823938 is a deficient number, since it is larger than the sum of its proper divisors (9145342).

11823938 is a wasteful number, since it uses less digits than its factorization.

11823938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29161.

The product of its digits is 10368, while the sum is 35.

The square root of 11823938 is about 3438.5953527567. The cubic root of 11823938 is about 227.8176571240.

The spelling of 11823938 in words is "eleven million, eight hundred twenty-three thousand, nine hundred thirty-eight".