23143322012 has 12 divisors (see below), whose sum is σ = 40566459360. Its totient is φ = 11552905056.

The previous prime is 23143321969. The next prime is 23143322017. The reversal of 23143322012 is 21022334132.

It is a super-2 number, since 2×23143322012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23143322017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4686212 + ... + 4691147.

It is an arithmetic number, because the mean of its divisors is an integer number (3380538280).

Almost surely, 2^23143322012 is an apocalyptic number.

It is an amenable number.

23143322012 is a deficient number, since it is larger than the sum of its proper divisors (17423137348).

23143322012 is a wasteful number, since it uses less digits than its factorization.

23143322012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9377980 (or 9377978 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23143322012 its reverse (21022334132), we get a palindrome (44165656144).

The spelling of 23143322012 in words is "twenty-three billion, one hundred forty-three million, three hundred twenty-two thousand, twelve".