23201323012 has 36 divisors (see below), whose sum is σ = 47285106960. Its totient is φ = 9932089104.

The previous prime is 23201322967. The next prime is 23201323031. The reversal of 23201323012 is 21032310232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106039 + ... + 240097.

Almost surely, 2^23201323012 is an apocalyptic number.

It is an amenable number.

23201323012 is an abundant number, since it is smaller than the sum of its proper divisors (24083783948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23201323012 is a wasteful number, since it uses less digits than its factorization.

23201323012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134960 (or 134951 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23201323012 its reverse (21032310232), we get a palindrome (44233633244).

It can be divided in two parts, 232013 and 23012, that added together give a square (255025 = 505²).

The spelling of 23201323012 in words is "twenty-three billion, two hundred one million, three hundred twenty-three thousand, twelve".