23206823 has 4 divisors (see below), whose sum is σ = 23217240. Its totient is φ = 23196408.

The previous prime is 23206811. The next prime is 23206867. The reversal of 23206823 is 32860232.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23206823 - 2²⁰ = 22158247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23206792 and 23206801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23206523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365 + ... + 6822.

It is an arithmetic number, because the mean of its divisors is an integer number (5804310).

Almost surely, 2^23206823 is an apocalyptic number.

23206823 is a deficient number, since it is larger than the sum of its proper divisors (10417).

23206823 is an equidigital number, since it uses as much as digits as its factorization.

23206823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10416.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 23206823 is about 4817.3460535859. The cubic root of 23206823 is about 285.2365861489.

It can be divided in two parts, 2320682 and 3, that multiplied together give a triangular number (6962046 = T₃₇₃₁).

The spelling of 23206823 in words is "twenty-three million, two hundred six thousand, eight hundred twenty-three".