23130809869 has 4 divisors (see below), whose sum is σ = 23168299644. Its totient is φ = 23093320096.

The previous prime is 23130809837. The next prime is 23130809879. The reversal of 23130809869 is 96890803132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3688132900 + 19442676969 = 60730^2 + 139437^2 .

It is a cyclic number.

It is not a de Polignac number, because 23130809869 - 2⁵ = 23130809837 is a prime.

It is a super-2 number, since 2×23130809869² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130809879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18743962 + ... + 18745195.

It is an arithmetic number, because the mean of its divisors is an integer number (5792074911).

Almost surely, 2^23130809869 is an apocalyptic number.

It is an amenable number.

23130809869 is a deficient number, since it is larger than the sum of its proper divisors (37489775).

23130809869 is an equidigital number, since it uses as much as digits as its factorization.

23130809869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37489774.

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 23130809869 in words is "twenty-three billion, one hundred thirty million, eight hundred nine thousand, eight hundred sixty-nine".