4100823 has 6 divisors (see below), whose sum is σ = 5923424. Its totient is φ = 2733876.

The previous prime is 4100819. The next prime is 4100849. The reversal of 4100823 is 3280014.

It is a happy number.

It is not a de Polignac number, because 4100823 - 2² = 4100819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4100796 and 4100805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4100813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 227815 + ... + 227832.

Almost surely, 2^4100823 is an apocalyptic number.

4100823 is a deficient number, since it is larger than the sum of its proper divisors (1822601).

4100823 is a wasteful number, since it uses less digits than its factorization.

4100823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455653 (or 455650 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 4100823 is about 2025.0488882987. The cubic root of 4100823 is about 160.0627748467.

Adding to 4100823 its reverse (3280014), we get a palindrome (7380837).

The spelling of 4100823 in words is "four million, one hundred thousand, eight hundred twenty-three".