23261228 has 6 divisors (see below), whose sum is σ = 40707156. Its totient is φ = 11630612.

The previous prime is 23261213. The next prime is 23261239. The reversal of 23261228 is 82216232.

It is a junction number, because it is equal to n+sod(n) for n = 23261197 and 23261206.

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 as a sum of consecutive naturals, namely, 2907650 + ... + 2907657.

It is an arithmetic number, because the mean of its divisors is an integer number (6784526).

Almost surely, 2^23261228 is an apocalyptic number.

It is an amenable number.

23261228 is a deficient number, since it is larger than the sum of its proper divisors (17445928).

23261228 is a wasteful number, since it uses less digits than its factorization.

23261228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5815311 (or 5815309 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 23261228 is about 4822.9895293272. The cubic root of 23261228 is about 285.4593106676.

The spelling of 23261228 in words is "twenty-three million, two hundred sixty-one thousand, two hundred twenty-eight".