23309115061 has 2 divisors, whose sum is σ = 23309115062. Its totient is φ = 23309115060.

The previous prime is 23309114993. The next prime is 23309115077. The reversal of 23309115061 is 16051190332.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16989819025 + 6319296036 = 130345^2 + 79494^2 .

It is a cyclic number.

It is not a de Polignac number, because 23309115061 - 2¹¹ = 23309113013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23309115961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11654557530 + 11654557531.

It is an arithmetic number, because the mean of its divisors is an integer number (11654557531).

Almost surely, 2^23309115061 is an apocalyptic number.

It is an amenable number.

23309115061 is a deficient number, since it is larger than the sum of its proper divisors (1).

23309115061 is an equidigital number, since it uses as much as digits as its factorization.

23309115061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 31.

The spelling of 23309115061 in words is "twenty-three billion, three hundred nine million, one hundred fifteen thousand, sixty-one".