23134130209 has 2 divisors, whose sum is σ = 23134130210. Its totient is φ = 23134130208.

The previous prime is 23134130197. The next prime is 23134130233. The reversal of 23134130209 is 90203143132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21444673600 + 1689456609 = 146440^2 + 41103^2 .

It is a cyclic number.

It is not a de Polignac number, because 23134130209 - 2¹⁷ = 23133999137 is a prime.

It is not a weakly prime, because it can be changed into another prime (23134130249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11567065104 + 11567065105.

It is an arithmetic number, because the mean of its divisors is an integer number (11567065105).

Almost surely, 2^23134130209 is an apocalyptic number.

It is an amenable number.

23134130209 is a deficient number, since it is larger than the sum of its proper divisors (1).

23134130209 is an equidigital number, since it uses as much as digits as its factorization.

23134130209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 23134130209 in words is "twenty-three billion, one hundred thirty-four million, one hundred thirty thousand, two hundred nine".