23061968609 has 2 divisors, whose sum is σ = 23061968610. Its totient is φ = 23061968608.

The previous prime is 23061968543. The next prime is 23061968617. The reversal of 23061968609 is 90686916032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16234582225 + 6827386384 = 127415^2 + 82628^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23061968609 is a prime.

It is a super-2 number, since 2×23061968609² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23061968639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11530984304 + 11530984305.

It is an arithmetic number, because the mean of its divisors is an integer number (11530984305).

Almost surely, 2^23061968609 is an apocalyptic number.

It is an amenable number.

23061968609 is a deficient number, since it is larger than the sum of its proper divisors (1).

23061968609 is an equidigital number, since it uses as much as digits as its factorization.

23061968609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 23061968609 in words is "twenty-three billion, sixty-one million, nine hundred sixty-eight thousand, six hundred nine".