23330000989 has 2 divisors, whose sum is σ = 23330000990. Its totient is φ = 23330000988.

The previous prime is 23330000963. The next prime is 23330001001. The reversal of 23330000989 is 98900003332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16501457764 + 6828543225 = 128458^2 + 82635^2 .

It is a cyclic number.

It is not a de Polignac number, because 23330000989 - 2⁵ = 23330000957 is a prime.

It is a super-2 number, since 2×23330000989² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23330000959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11665000494 + 11665000495.

It is an arithmetic number, because the mean of its divisors is an integer number (11665000495).

Almost surely, 2^23330000989 is an apocalyptic number.

It is an amenable number.

23330000989 is a deficient number, since it is larger than the sum of its proper divisors (1).

23330000989 is an equidigital number, since it uses as much as digits as its factorization.

23330000989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 37.

The spelling of 23330000989 in words is "twenty-three billion, three hundred thirty million, nine hundred eighty-nine", and thus it is an aban number.