23871836 has 12 divisors (see below), whose sum is σ = 42564312. Its totient is φ = 11710608.

The previous prime is 23871823. The next prime is 23871863. The reversal of 23871836 is 63817832.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23871836.

It is a congruent number.

It is an unprimeable number.

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, 56090 + ... + 56513.

It is an arithmetic number, because the mean of its divisors is an integer number (3547026).

Almost surely, 2^23871836 is an apocalyptic number.

It is an amenable number.

23871836 is a deficient number, since it is larger than the sum of its proper divisors (18692476).

23871836 is a wasteful number, since it uses less digits than its factorization.

23871836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112660 (or 112658 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 23871836 is about 4885.8812920496. The cubic root of 23871836 is about 287.9355404864.

The spelling of 23871836 in words is "twenty-three million, eight hundred seventy-one thousand, eight hundred thirty-six".