23201210113 has 4 divisors (see below), whose sum is σ = 23201582148. Its totient is φ = 23200838080.

The previous prime is 23201210111. The next prime is 23201210117. The reversal of 23201210113 is 31101210232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9789717249 + 13411492864 = 98943^2 + 115808^2 .

It is a cyclic number.

It is not a de Polignac number, because 23201210113 - 2¹ = 23201210111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23201210111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67156 + ... + 225637.

It is an arithmetic number, because the mean of its divisors is an integer number (5800395537).

Almost surely, 2^23201210113 is an apocalyptic number.

It is an amenable number.

23201210113 is a deficient number, since it is larger than the sum of its proper divisors (372035).

23201210113 is an equidigital number, since it uses as much as digits as its factorization.

23201210113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372034.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23201210113 its reverse (31101210232), we get a palindrome (54302420345).

The spelling of 23201210113 in words is "twenty-three billion, two hundred one million, two hundred ten thousand, one hundred thirteen".