23793228 has 18 divisors (see below), whose sum is σ = 60144084. Its totient is φ = 7931064.

The previous prime is 23793223. The next prime is 23793239. The reversal of 23793228 is 82239732.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×23793228² = 1132235397319968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 660923 = 23793228 / (2 + 3 + 7 + 9 + 3 + 2 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 23793192 and 23793201.

It is not an unprimeable number, because it can be changed into a prime (23793223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 330426 + ... + 330497.

It is an arithmetic number, because the mean of its divisors is an integer number (3341338).

Almost surely, 2^23793228 is an apocalyptic number.

It is an amenable number.

23793228 is an abundant number, since it is smaller than the sum of its proper divisors (36350856).

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

23793228 is a wasteful number, since it uses less digits than its factorization.

23793228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660933 (or 660928 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 23793228 is about 4877.8302553492. The cubic root of 23793228 is about 287.6191435613.

The spelling of 23793228 in words is "twenty-three million, seven hundred ninety-three thousand, two hundred twenty-eight".