23122318 has 4 divisors (see below), whose sum is σ = 34683480. Its totient is φ = 11561158.

The previous prime is 23122313. The next prime is 23122331. The reversal of 23122318 is 81322132.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122313) by changing a digit.

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, 5780578 + ... + 5780581.

It is an arithmetic number, because the mean of its divisors is an integer number (8670870).

Almost surely, 2^23122318 is an apocalyptic number.

23122318 is a deficient number, since it is larger than the sum of its proper divisors (11561162).

23122318 is a wasteful number, since it uses less digits than its factorization.

23122318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11561161.

The product of its digits is 576, while the sum is 22.

The square root of 23122318 is about 4808.5671462505. The cubic root of 23122318 is about 284.8899462223.

The spelling of 23122318 in words is "twenty-three million, one hundred twenty-two thousand, three hundred eighteen".