11923937 has 4 divisors (see below), whose sum is σ = 11930880. Its totient is φ = 11916996.

The previous prime is 11923931. The next prime is 11923969. The reversal of 11923937 is 73932911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11923937 - 2⁴ = 11923921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11923897 and 11923906.

It is not an unprimeable number, because it can be changed into a prime (11923931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1208 + ... + 5030.

It is an arithmetic number, because the mean of its divisors is an integer number (2982720).

Almost surely, 2^11923937 is an apocalyptic number.

It is an amenable number.

11923937 is a deficient number, since it is larger than the sum of its proper divisors (6943).

11923937 is an equidigital number, since it uses as much as digits as its factorization.

11923937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6942.

The product of its digits is 10206, while the sum is 35.

The square root of 11923937 is about 3453.1054139716. The cubic root of 11923937 is about 228.4580984125.

The spelling of 11923937 in words is "eleven million, nine hundred twenty-three thousand, nine hundred thirty-seven".