23829863 has 12 divisors (see below), whose sum is σ = 25203528. Its totient is φ = 22527120.

The previous prime is 23829829. The next prime is 23829889. The reversal of 23829863 is 36892832.

It is not a de Polignac number, because 23829863 - 2¹⁰ = 23828839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23829863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23829263) 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, 56393 + ... + 56813.

It is an arithmetic number, because the mean of its divisors is an integer number (2100294).

Almost surely, 2^23829863 is an apocalyptic number.

23829863 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23829863 is a deficient number, since it is larger than the sum of its proper divisors (1373665).

23829863 is a wasteful number, since it uses less digits than its factorization.

23829863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 551 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 23829863 is about 4881.5840666734. The cubic root of 23829863 is about 287.7666858782.

The spelling of 23829863 in words is "twenty-three million, eight hundred twenty-nine thousand, eight hundred sixty-three".