10823861 has 4 divisors (see below), whose sum is σ = 10852800. Its totient is φ = 10794924.

The previous prime is 10823851. The next prime is 10823881. The reversal of 10823861 is 16832801.

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 an emirpimes, since its reverse is a distinct semiprime: 16832801 = 1213 ⋅13877.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10823861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10823801) 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, 13901 + ... + 14658.

It is an arithmetic number, because the mean of its divisors is an integer number (2713200).

Almost surely, 2^10823861 is an apocalyptic number.

It is an amenable number.

10823861 is a deficient number, since it is larger than the sum of its proper divisors (28939).

10823861 is an equidigital number, since it uses as much as digits as its factorization.

10823861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28938.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 10823861 is about 3289.9636776110. The cubic root of 10823861 is about 221.2045566175.

The spelling of 10823861 in words is "ten million, eight hundred twenty-three thousand, eight hundred sixty-one".