23213162 has 12 divisors (see below), whose sum is σ = 40504770. Its totient is φ = 9948456.

The previous prime is 23213161. The next prime is 23213173. The reversal of 23213162 is 26131232.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18412681 + 4800481 = 4291^2 + 2191^2 .

It is not an unprimeable number, because it can be changed into a prime (23213161) 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 in 5 ways as a sum of consecutive naturals, for example, 118337 + ... + 118532.

Almost surely, 2^23213162 is an apocalyptic number.

23213162 is a deficient number, since it is larger than the sum of its proper divisors (17291608).

23213162 is a wasteful number, since it uses less digits than its factorization.

23213162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236885 (or 236878 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 23213162 is about 4818.0039435434. The cubic root of 23213162 is about 285.2625548064.

Adding to 23213162 its reverse (26131232), we get a palindrome (49344394).

The spelling of 23213162 in words is "twenty-three million, two hundred thirteen thousand, one hundred sixty-two".