23228153 has 4 divisors (see below), whose sum is σ = 25014948. Its totient is φ = 21441360.

The previous prime is 23228143. The next prime is 23228237. The reversal of 23228153 is 35182232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14684224 + 8543929 = 3832^2 + 2923^2 .

It is a cyclic number.

It is not a de Polignac number, because 23228153 - 2¹⁰ = 23227129 is a prime.

It is a super-4 number, since 4×23228153⁴ (a number of 31 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23228143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893378 + ... + 893403.

It is an arithmetic number, because the mean of its divisors is an integer number (6253737).

Almost surely, 2^23228153 is an apocalyptic number.

It is an amenable number.

23228153 is a deficient number, since it is larger than the sum of its proper divisors (1786795).

23228153 is a wasteful number, since it uses less digits than its factorization.

23228153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786794.

The product of its digits is 2880, while the sum is 26.

The square root of 23228153 is about 4819.5594196980. The cubic root of 23228153 is about 285.3239488657.

The spelling of 23228153 in words is "twenty-three million, two hundred twenty-eight thousand, one hundred fifty-three".