11423771 has 4 divisors (see below), whose sum is σ = 11435232. Its totient is φ = 11412312.

The previous prime is 11423761. The next prime is 11423821. The reversal of 11423771 is 17732411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17732411 = 17 ⋅1043083.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11423771 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11423771.

It is not an unprimeable number, because it can be changed into a prime (11423761) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4076 + ... + 6281.

It is an arithmetic number, because the mean of its divisors is an integer number (2858808).

Almost surely, 2^11423771 is an apocalyptic number.

11423771 is a deficient number, since it is larger than the sum of its proper divisors (11461).

11423771 is a wasteful number, since it uses less digits than its factorization.

11423771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11460.

The product of its digits is 1176, while the sum is 26.

The square root of 11423771 is about 3379.9069513819. The cubic root of 11423771 is about 225.2180339157.

It can be divided in two parts, 1142 and 3771, that added together give a cube (4913 = 17³).

The spelling of 11423771 in words is "eleven million, four hundred twenty-three thousand, seven hundred seventy-one".