23331435161 has 2 divisors, whose sum is σ = 23331435162. Its totient is φ = 23331435160.

The previous prime is 23331435143. The next prime is 23331435167. The reversal of 23331435161 is 16153413332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14854734400 + 8476700761 = 121880^2 + 92069^2 .

It is a cyclic number.

It is not a de Polignac number, because 23331435161 - 2²² = 23327240857 is a prime.

It is not a weakly prime, because it can be changed into another prime (23331435167) 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, 11665717580 + 11665717581.

It is an arithmetic number, because the mean of its divisors is an integer number (11665717581).

Almost surely, 2^23331435161 is an apocalyptic number.

It is an amenable number.

23331435161 is a deficient number, since it is larger than the sum of its proper divisors (1).

23331435161 is an equidigital number, since it uses as much as digits as its factorization.

23331435161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 32.

Adding to 23331435161 its reverse (16153413332), we get a palindrome (39484848493).

The spelling of 23331435161 in words is "twenty-three billion, three hundred thirty-one million, four hundred thirty-five thousand, one hundred sixty-one".