11906023 has 4 divisors (see below), whose sum is σ = 12107880. Its totient is φ = 11704168.

The previous prime is 11906021. The next prime is 11906047. The reversal of 11906023 is 32060911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11906023 - 2¹ = 11906021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11905985 and 11906003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11906021) 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, 100840 + ... + 100957.

It is an arithmetic number, because the mean of its divisors is an integer number (3026970).

Almost surely, 2^11906023 is an apocalyptic number.

11906023 is a deficient number, since it is larger than the sum of its proper divisors (201857).

11906023 is an equidigital number, since it uses as much as digits as its factorization.

11906023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201856.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 11906023 is about 3450.5105419343. The cubic root of 11906023 is about 228.3436325947.

Adding to 11906023 its reverse (32060911), we get a palindrome (43966934).

The spelling of 11906023 in words is "eleven million, nine hundred six thousand, twenty-three".