23784236 has 24 divisors (see below), whose sum is σ = 48011040. Its totient is φ = 10098432.

The previous prime is 23784221. The next prime is 23784239. The reversal of 23784236 is 63248732.

It is a junction number, because it is equal to n+sod(n) for n = 23784196 and 23784205.

It is not an unprimeable number, because it can be changed into a prime (23784239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845 + ... + 6948.

It is an arithmetic number, because the mean of its divisors is an integer number (2000460).

Almost surely, 2^23784236 is an apocalyptic number.

It is an amenable number.

23784236 is an abundant number, since it is smaller than the sum of its proper divisors (24226804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23784236 is a wasteful number, since it uses less digits than its factorization.

23784236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7913 (or 7911 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 23784236 is about 4876.9084469569. The cubic root of 23784236 is about 287.5829063987.

The spelling of 23784236 in words is "twenty-three million, seven hundred eighty-four thousand, two hundred thirty-six".