23301311161 has 2 divisors, whose sum is σ = 23301311162. Its totient is φ = 23301311160.

The previous prime is 23301311153. The next prime is 23301311197. The reversal of 23301311161 is 16111310332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23090625936 + 210685225 = 151956^2 + 14515^2 .

It is a cyclic number.

It is not a de Polignac number, because 23301311161 - 2³ = 23301311153 is a prime.

It is a super-2 number, since 2×23301311161² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23301311461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11650655580 + 11650655581.

It is an arithmetic number, because the mean of its divisors is an integer number (11650655581).

Almost surely, 2^23301311161 is an apocalyptic number.

It is an amenable number.

23301311161 is a deficient number, since it is larger than the sum of its proper divisors (1).

23301311161 is an equidigital number, since it uses as much as digits as its factorization.

23301311161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 23301311161 its reverse (16111310332), we get a palindrome (39412621493).

The spelling of 23301311161 in words is "twenty-three billion, three hundred one million, three hundred eleven thousand, one hundred sixty-one".