23133169 has 4 divisors (see below), whose sum is σ = 23142820. Its totient is φ = 23123520.

The previous prime is 23133167. The next prime is 23133191. The reversal of 23133169 is 96133132.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 17430625 + 5702544 = 4175^2 + 2388^2 .

It is a cyclic number.

It is not a de Polignac number, because 23133169 - 2¹ = 23133167 is a prime.

It is a super-2 number, since 2×23133169² = 1070287015965122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23133167) 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, 1837 + ... + 7045.

It is an arithmetic number, because the mean of its divisors is an integer number (5785705).

Almost surely, 2^23133169 is an apocalyptic number.

It is an amenable number.

23133169 is a deficient number, since it is larger than the sum of its proper divisors (9651).

23133169 is an equidigital number, since it uses as much as digits as its factorization.

23133169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9650.

The product of its digits is 2916, while the sum is 28.

The square root of 23133169 is about 4809.6953125952. The cubic root of 23133169 is about 284.9345042889.

The spelling of 23133169 in words is "twenty-three million, one hundred thirty-three thousand, one hundred sixty-nine".