23431223012 has 24 divisors (see below), whose sum is σ = 43422561504. Its totient is φ = 11024963712.

The previous prime is 23431222987. The next prime is 23431223077. The reversal of 23431223012 is 21032213432.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 605963 + ... + 643469.

It is an arithmetic number, because the mean of its divisors is an integer number (1809273396).

Almost surely, 2^23431223012 is an apocalyptic number.

It is an amenable number.

23431223012 is a deficient number, since it is larger than the sum of its proper divisors (19991338492).

23431223012 is a wasteful number, since it uses less digits than its factorization.

23431223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46715 (or 46713 counting only the distinct ones).

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

Adding to 23431223012 its reverse (21032213432), we get a palindrome (44463436444).

The spelling of 23431223012 in words is "twenty-three billion, four hundred thirty-one million, two hundred twenty-three thousand, twelve".