23823463851 has 64 divisors (see below), whose sum is σ = 38935841280. Its totient is φ = 14395708800.

The previous prime is 23823463847. The next prime is 23823463897. The reversal of 23823463851 is 15836432832.

23823463851 is a `hidden beast` number, since 2 + 3 + 8 + 2 + 3 + 4 + 638 + 5 + 1 = 666.

It is not a de Polignac number, because 23823463851 - 2² = 23823463847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23823463797 and 23823463806.

It is not an unprimeable number, because it can be changed into a prime (23823463051) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15559956 + ... + 15561486.

It is an arithmetic number, because the mean of its divisors is an integer number (608372520).

Almost surely, 2^23823463851 is an apocalyptic number.

23823463851 is a deficient number, since it is larger than the sum of its proper divisors (15112377429).

23823463851 is a wasteful number, since it uses less digits than its factorization.

23823463851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006 (or 1978 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The spelling of 23823463851 in words is "twenty-three billion, eight hundred twenty-three million, four hundred sixty-three thousand, eight hundred fifty-one".