23201111100013 has 16 divisors (see below), whose sum is σ = 30448484835840. Its totient is φ = 17127272718000.

The previous prime is 23201111100001. The next prime is 23201111100023. The reversal of 23201111100013 is 31000111110232.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23201111100013 - 2⁵ = 23201111099981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23201111100013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23201111100023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7929291463 + ... + 7929294388.

It is an arithmetic number, because the mean of its divisors is an integer number (1903030302240).

Almost surely, 2^{23201111100013} is an apocalyptic number.

It is an amenable number.

23201111100013 is a deficient number, since it is larger than the sum of its proper divisors (7247373735827).

23201111100013 is a wasteful number, since it uses less digits than its factorization.

23201111100013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15858585888.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 23201111100013 its reverse (31000111110232), we get a palindrome (54201222210245).

The spelling of 23201111100013 in words is "twenty-three trillion, two hundred one billion, one hundred eleven million, one hundred thousand, thirteen".