23030116649 has 2 divisors, whose sum is σ = 23030116650. Its totient is φ = 23030116648.

The previous prime is 23030116643. The next prime is 23030116663. The reversal of 23030116649 is 94661103032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14312533225 + 8717583424 = 119635^2 + 93368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23030116649 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23030116643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515058324 + 11515058325.

It is an arithmetic number, because the mean of its divisors is an integer number (11515058325).

Almost surely, 2^23030116649 is an apocalyptic number.

It is an amenable number.

23030116649 is a deficient number, since it is larger than the sum of its proper divisors (1).

23030116649 is an equidigital number, since it uses as much as digits as its factorization.

23030116649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 23030116649 in words is "twenty-three billion, thirty million, one hundred sixteen thousand, six hundred forty-nine".