23322131 has 4 divisors (see below), whose sum is σ = 26653872. Its totient is φ = 19990392.

The previous prime is 23322121. The next prime is 23322133. The reversal of 23322131 is 13122332.

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

It is a cyclic number.

It is not a de Polignac number, because 23322131 - 2¹⁸ = 23059987 is a prime.

It is a super-2 number, since 2×23322131² = 1087843588762322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23322133) 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, 1665860 + ... + 1665873.

It is an arithmetic number, because the mean of its divisors is an integer number (6663468).

Almost surely, 2^23322131 is an apocalyptic number.

23322131 is a deficient number, since it is larger than the sum of its proper divisors (3331741).

23322131 is an equidigital number, since it uses as much as digits as its factorization.

23322131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331740.

The product of its digits is 216, while the sum is 17.

The square root of 23322131 is about 4829.2992245252. The cubic root of 23322131 is about 285.7082252643.

Adding to 23322131 its reverse (13122332), we get a palindrome (36444463).

The spelling of 23322131 in words is "twenty-three million, three hundred twenty-two thousand, one hundred thirty-one".