11822823 has 12 divisors (see below), whose sum is σ = 17108208. Its totient is φ = 7867680.

The previous prime is 11822821. The next prime is 11822857. The reversal of 11822823 is 32822811.

It is not a de Polignac number, because 11822823 - 2¹ = 11822821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11822821) 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, 7243 + ... + 8723.

It is an arithmetic number, because the mean of its divisors is an integer number (1425684).

Almost surely, 2^11822823 is an apocalyptic number.

11822823 is a deficient number, since it is larger than the sum of its proper divisors (5285385).

11822823 is a wasteful number, since it uses less digits than its factorization.

11822823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374 (or 2371 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 11822823 is about 3438.4332187786. The cubic root of 11822823 is about 227.8104958135.

It can be divided in two parts, 1182 and 2823, that added together give a triangular number (4005 = T₈₉).

The spelling of 11822823 in words is "eleven million, eight hundred twenty-two thousand, eight hundred twenty-three".