23030012989 has 2 divisors, whose sum is σ = 23030012990. Its totient is φ = 23030012988.

The previous prime is 23030012947. The next prime is 23030013037. The reversal of 23030012989 is 98921003032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23029580025 + 432964 = 151755^2 + 658^2 .

It is a cyclic number.

It is not a de Polignac number, because 23030012989 - 2³³ = 14440078397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23030010989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515006494 + 11515006495.

It is an arithmetic number, because the mean of its divisors is an integer number (11515006495).

Almost surely, 2^23030012989 is an apocalyptic number.

It is an amenable number.

23030012989 is a deficient number, since it is larger than the sum of its proper divisors (1).

23030012989 is an equidigital number, since it uses as much as digits as its factorization.

23030012989 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 37.

The spelling of 23030012989 in words is "twenty-three billion, thirty million, twelve thousand, nine hundred eighty-nine".