23828270509 has 2 divisors, whose sum is σ = 23828270510. Its totient is φ = 23828270508.

The previous prime is 23828270491. The next prime is 23828270539. The reversal of 23828270509 is 90507282832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22888664100 + 939606409 = 151290^2 + 30653^2 .

It is a cyclic number.

It is not a de Polignac number, because 23828270509 - 2⁷ = 23828270381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23828270539) 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, 11914135254 + 11914135255.

It is an arithmetic number, because the mean of its divisors is an integer number (11914135255).

Almost surely, 2^23828270509 is an apocalyptic number.

It is an amenable number.

23828270509 is a deficient number, since it is larger than the sum of its proper divisors (1).

23828270509 is an equidigital number, since it uses as much as digits as its factorization.

23828270509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 23828270509 in words is "twenty-three billion, eight hundred twenty-eight million, two hundred seventy thousand, five hundred nine".