23353189 has 4 divisors (see below), whose sum is σ = 24726924. Its totient is φ = 21979456.

The previous prime is 23353153. The next prime is 23353201. The reversal of 23353189 is 98135332.

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 20657025 + 2696164 = 4545^2 + 1642^2 .

It is a cyclic number.

It is not a de Polignac number, because 23353189 - 2⁷ = 23353061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23351189) 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 3 ways as a sum of consecutive naturals, for example, 686842 + ... + 686875.

It is an arithmetic number, because the mean of its divisors is an integer number (6181731).

Almost surely, 2^23353189 is an apocalyptic number.

It is an amenable number.

23353189 is a deficient number, since it is larger than the sum of its proper divisors (1373735).

23353189 is a wasteful number, since it uses less digits than its factorization.

23353189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373734.

The product of its digits is 19440, while the sum is 34.

The square root of 23353189 is about 4832.5137351072. The cubic root of 23353189 is about 285.8349945552.

The spelling of 23353189 in words is "twenty-three million, three hundred fifty-three thousand, one hundred eighty-nine".