11923893 has 12 divisors (see below), whose sum is σ = 17460300. Its totient is φ = 7839936.

The previous prime is 11923889. The next prime is 11923897. The reversal of 11923893 is 39832911.

It is an interprime number because it is at equal distance from previous prime (11923889) and next prime (11923897).

It can be written as a sum of positive squares in 2 ways, for example, as 5049009 + 6874884 = 2247^2 + 2622^2 .

It is not a de Polignac number, because 11923893 - 2² = 11923889 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11923897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8418 + ... + 9731.

It is an arithmetic number, because the mean of its divisors is an integer number (1455025).

Almost surely, 2^11923893 is an apocalyptic number.

It is an amenable number.

11923893 is a deficient number, since it is larger than the sum of its proper divisors (5536407).

11923893 is a wasteful number, since it uses less digits than its factorization.

11923893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18228 (or 18225 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 11923893 is about 3453.0990428889. The cubic root of 11923893 is about 228.4578174044.

The spelling of 11923893 in words is "eleven million, nine hundred twenty-three thousand, eight hundred ninety-three".