23013121103312 has 20 divisors (see below), whose sum is σ = 44628716244900. Its totient is φ = 11496033040128.

The previous prime is 23013121103279. The next prime is 23013121103327. The reversal of 23013121103312 is 21330112131032.

It can be written as a sum of positive squares in 2 ways, for example, as 22861173944896 + 151947158416 = 4781336^2 + 389804^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657951437 + ... + 657986412.

It is an arithmetic number, because the mean of its divisors is an integer number (2231435812245).

Almost surely, 2^{23013121103312} is an apocalyptic number.

It is an amenable number.

23013121103312 is a deficient number, since it is larger than the sum of its proper divisors (21615595141588).

23013121103312 is a wasteful number, since it uses less digits than its factorization.

23013121103312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315938950 (or 1315938944 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 23013121103312 its reverse (21330112131032), we get a palindrome (44343233234344).

The spelling of 23013121103312 in words is "twenty-three trillion, thirteen billion, one hundred twenty-one million, one hundred three thousand, three hundred twelve".