11847023 has 4 divisors (see below), whose sum is σ = 12047880. Its totient is φ = 11646168.

The previous prime is 11846999. The next prime is 11847049. The reversal of 11847023 is 32074811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32074811 = 23 ⋅1394557.

It is a cyclic number.

It is not a de Polignac number, because 11847023 - 2⁶ = 11846959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11846983 and 11847001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11847083) 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, 100340 + ... + 100457.

It is an arithmetic number, because the mean of its divisors is an integer number (3011970).

Almost surely, 2^11847023 is an apocalyptic number.

11847023 is a deficient number, since it is larger than the sum of its proper divisors (200857).

11847023 is an equidigital number, since it uses as much as digits as its factorization.

11847023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200856.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 11847023 is about 3441.9504644896. The cubic root of 11847023 is about 227.9658241070.

The spelling of 11847023 in words is "eleven million, eight hundred forty-seven thousand, twenty-three".