23130199489 has 2 divisors, whose sum is σ = 23130199490. Its totient is φ = 23130199488.

The previous prime is 23130199459. The next prime is 23130199571. The reversal of 23130199489 is 98499103132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20101568400 + 3028631089 = 141780^2 + 55033^2 .

It is a cyclic number.

It is not a de Polignac number, because 23130199489 - 2¹⁹ = 23129675201 is a prime.

It is a super-2 number, since 2×23130199489² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23130199459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565099744 + 11565099745.

It is an arithmetic number, because the mean of its divisors is an integer number (11565099745).

Almost surely, 2^23130199489 is an apocalyptic number.

It is an amenable number.

23130199489 is a deficient number, since it is larger than the sum of its proper divisors (1).

23130199489 is an equidigital number, since it uses as much as digits as its factorization.

23130199489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 49.

The spelling of 23130199489 in words is "twenty-three billion, one hundred thirty million, one hundred ninety-nine thousand, four hundred eighty-nine".