23127246809 has 2 divisors, whose sum is σ = 23127246810. Its totient is φ = 23127246808.

The previous prime is 23127246803. The next prime is 23127246853. The reversal of 23127246809 is 90864272132.

It is an a-pointer prime, because the next prime (23127246853) can be obtained adding 23127246809 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22784996809 + 342250000 = 150947^2 + 18500^2 .

It is a cyclic number.

It is not a de Polignac number, because 23127246809 - 2⁸ = 23127246553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23127246809.

It is not a weakly prime, because it can be changed into another prime (23127246803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11563623404 + 11563623405.

It is an arithmetic number, because the mean of its divisors is an integer number (11563623405).

Almost surely, 2^23127246809 is an apocalyptic number.

It is an amenable number.

23127246809 is a deficient number, since it is larger than the sum of its proper divisors (1).

23127246809 is an equidigital number, since it uses as much as digits as its factorization.

23127246809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 23127246809 in words is "twenty-three billion, one hundred twenty-seven million, two hundred forty-six thousand, eight hundred nine".