23320140161 has 2 divisors, whose sum is σ = 23320140162. Its totient is φ = 23320140160.

The previous prime is 23320140139. The next prime is 23320140169. The reversal of 23320140161 is 16104102332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19510781761 + 3809358400 = 139681^2 + 61720^2 .

It is a cyclic number.

It is not a de Polignac number, because 23320140161 - 2³⁰ = 22246398337 is a prime.

It is not a weakly prime, because it can be changed into another prime (23320140169) 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, 11660070080 + 11660070081.

It is an arithmetic number, because the mean of its divisors is an integer number (11660070081).

Almost surely, 2^23320140161 is an apocalyptic number.

It is an amenable number.

23320140161 is a deficient number, since it is larger than the sum of its proper divisors (1).

23320140161 is an equidigital number, since it uses as much as digits as its factorization.

23320140161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 23320140161 its reverse (16104102332), we get a palindrome (39424242493).

The spelling of 23320140161 in words is "twenty-three billion, three hundred twenty million, one hundred forty thousand, one hundred sixty-one".