23201044129 has 2 divisors, whose sum is σ = 23201044130. Its totient is φ = 23201044128.

The previous prime is 23201044123. The next prime is 23201044157. The reversal of 23201044129 is 92144010232.

It is an a-pointer prime, because the next prime (23201044157) can be obtained adding 23201044129 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14792154129 + 8408890000 = 121623^2 + 91700^2 .

It is a cyclic number.

It is not a de Polignac number, because 23201044129 - 2¹⁹ = 23200519841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23201044097 and 23201044106.

It is not a weakly prime, because it can be changed into another prime (23201044123) 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 as a sum of consecutive naturals, namely, 11600522064 + 11600522065.

It is an arithmetic number, because the mean of its divisors is an integer number (11600522065).

Almost surely, 2^23201044129 is an apocalyptic number.

It is an amenable number.

23201044129 is a deficient number, since it is larger than the sum of its proper divisors (1).

23201044129 is an equidigital number, since it uses as much as digits as its factorization.

23201044129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 23201044129 in words is "twenty-three billion, two hundred one million, forty-four thousand, one hundred twenty-nine".