238229868922853 has 2 divisors, whose sum is σ = 238229868922854. Its totient is φ = 238229868922852.

The previous prime is 238229868922769. The next prime is 238229868922883. The reversal of 238229868922853 is 358229868922832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132903614594689 + 105326254328164 = 11528383^2 + 10262858^2 .

It is a cyclic number.

It is not a de Polignac number, because 238229868922853 - 2²² = 238229864728549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238229868922883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119114934461426 + 119114934461427.

It is an arithmetic number, because the mean of its divisors is an integer number (119114934461427).

Almost surely, 2^{238229868922853} is an apocalyptic number.

It is an amenable number.

238229868922853 is a deficient number, since it is larger than the sum of its proper divisors (1).

238229868922853 is an equidigital number, since it uses as much as digits as its factorization.

238229868922853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2866544640, while the sum is 77.

The spelling of 238229868922853 in words is "two hundred thirty-eight trillion, two hundred twenty-nine billion, eight hundred sixty-eight million, nine hundred twenty-two thousand, eight hundred fifty-three".