23201111313 has 20 divisors (see below), whose sum is σ = 34852094640. Its totient is φ = 15380987832.

The previous prime is 23201111293. The next prime is 23201111327. The reversal of 23201111313 is 31311110232.

It is not a de Polignac number, because 23201111313 - 2¹⁷ = 23200980241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23201110313) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 785595 + ... + 814592.

It is an arithmetic number, because the mean of its divisors is an integer number (1742604732).

Almost surely, 2^23201111313 is an apocalyptic number.

It is an amenable number.

23201111313 is a deficient number, since it is larger than the sum of its proper divisors (11650983327).

23201111313 is a wasteful number, since it uses less digits than its factorization.

23201111313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600378 (or 1600369 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 23201111313 its reverse (31311110232), we get a palindrome (54512221545).

The spelling of 23201111313 in words is "twenty-three billion, two hundred one million, one hundred eleven thousand, three hundred thirteen".