23531155259 has 2 divisors, whose sum is σ = 23531155260. Its totient is φ = 23531155258.

The previous prime is 23531155243. The next prime is 23531155309. The reversal of 23531155259 is 95255113532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23531155259 - 2⁴ = 23531155243 is a prime.

It is not a weakly prime, because it can be changed into another prime (23531155159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11765577629 + 11765577630.

It is an arithmetic number, because the mean of its divisors is an integer number (11765577630).

Almost surely, 2^23531155259 is an apocalyptic number.

23531155259 is a deficient number, since it is larger than the sum of its proper divisors (1).

23531155259 is an equidigital number, since it uses as much as digits as its factorization.

23531155259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 202500, while the sum is 41.

The spelling of 23531155259 in words is "twenty-three billion, five hundred thirty-one million, one hundred fifty-five thousand, two hundred fifty-nine".