23143322 has 4 divisors (see below), whose sum is σ = 34714986. Its totient is φ = 11571660.

The previous prime is 23143321. The next prime is 23143333. The reversal of 23143322 is 22334132.

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

It can be written as a sum of positive squares in only one way, i.e., 16168441 + 6974881 = 4021^2 + 2641^2 .

It is a super-2 number, since 2×23143322² = 1071226706391368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23143294 and 23143303.

It is not an unprimeable number, because it can be changed into a prime (23143321) 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, 5785829 + ... + 5785832.

Almost surely, 2^23143322 is an apocalyptic number.

23143322 is a deficient number, since it is larger than the sum of its proper divisors (11571664).

23143322 is a wasteful number, since it uses less digits than its factorization.

23143322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11571663.

The product of its digits is 864, while the sum is 20.

The square root of 23143322 is about 4810.7506690744. The cubic root of 23143322 is about 284.9761835028.

Adding to 23143322 its reverse (22334132), we get a palindrome (45477454).

The spelling of 23143322 in words is "twenty-three million, one hundred forty-three thousand, three hundred twenty-two".