23201122013 has 4 divisors (see below), whose sum is σ = 23322594048. Its totient is φ = 23079649980.

The previous prime is 23201122003. The next prime is 23201122069. The reversal of 23201122013 is 31022110232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23201122013 - 2⁶ = 23201121949 is a prime.

It is a super-2 number, since 2×23201122013² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23201121982 and 23201122000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23201122003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60735731 + ... + 60736112.

It is an arithmetic number, because the mean of its divisors is an integer number (5830648512).

Almost surely, 2^23201122013 is an apocalyptic number.

It is an amenable number.

23201122013 is a deficient number, since it is larger than the sum of its proper divisors (121472035).

23201122013 is a wasteful number, since it uses less digits than its factorization.

23201122013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121472034.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23201122013 its reverse (31022110232), we get a palindrome (54223232245).

The spelling of 23201122013 in words is "twenty-three billion, two hundred one million, one hundred twenty-two thousand, thirteen".