4102823 has 2 divisors, whose sum is σ = 4102824. Its totient is φ = 4102822.

The previous prime is 4102807. The next prime is 4102843. The reversal of 4102823 is 3282014.

It is an a-pointer prime, because the next prime (4102843) can be obtained adding 4102823 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4102823 - 2⁴ = 4102807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4102795 and 4102804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4102843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2051411 + 2051412.

It is an arithmetic number, because the mean of its divisors is an integer number (2051412).

Almost surely, 2^4102823 is an apocalyptic number.

4102823 is a deficient number, since it is larger than the sum of its proper divisors (1).

4102823 is an equidigital number, since it uses as much as digits as its factorization.

4102823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4102823 is about 2025.5426433428. The cubic root of 4102823 is about 160.0887918618.

Adding to 4102823 its reverse (3282014), we get a palindrome (7384837).

The spelling of 4102823 in words is "four million, one hundred two thousand, eight hundred twenty-three".