101223869 has 2 divisors, whose sum is σ = 101223870. Its totient is φ = 101223868.

The previous prime is 101223847. The next prime is 101224003. The reversal of 101223869 is 968322101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92871769 + 8352100 = 9637^2 + 2890^2 .

It is a cyclic number.

It is not a de Polignac number, because 101223869 - 2²⁴ = 84446653 is a prime.

It is a super-2 number, since 2×101223869² = 20492543310658322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101223839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50611934 + 50611935.

It is an arithmetic number, because the mean of its divisors is an integer number (50611935).

Almost surely, 2^101223869 is an apocalyptic number.

It is an amenable number.

101223869 is a deficient number, since it is larger than the sum of its proper divisors (1).

101223869 is an equidigital number, since it uses as much as digits as its factorization.

101223869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 101223869 is about 10061.0073551310. The cubic root of 101223869 is about 466.0447761011.

The spelling of 101223869 in words is "one hundred one million, two hundred twenty-three thousand, eight hundred sixty-nine".