23436228 has 24 divisors (see below), whose sum is σ = 54826240. Its totient is φ = 7791840.

The previous prime is 23436227. The next prime is 23436233. The reversal of 23436228 is 82263432.

It is a junction number, because it is equal to n+sod(n) for n = 23436195 and 23436204.

It is not an unprimeable number, because it can be changed into a prime (23436227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2733 + ... + 7371.

Almost surely, 2^23436228 is an apocalyptic number.

It is an amenable number.

23436228 is an abundant number, since it is smaller than the sum of its proper divisors (31390012).

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

23436228 is a wasteful number, since it uses less digits than its factorization.

23436228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067 (or 5065 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 23436228 is about 4841.0978093817. The cubic root of 23436228 is about 286.1733833837.

The spelling of 23436228 in words is "twenty-three million, four hundred thirty-six thousand, two hundred twenty-eight".