101128223 has 16 divisors (see below), whose sum is σ = 123649344. Its totient is φ = 80732160.

The previous prime is 101128219. The next prime is 101128267. The reversal of 101128223 is 322821101.

It is a cyclic number.

It is not a de Polignac number, because 101128223 - 2² = 101128219 is a prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 101128195 and 101128204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101128123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7163 + ... + 15923.

It is an arithmetic number, because the mean of its divisors is an integer number (7728084).

Almost surely, 2^101128223 is an apocalyptic number.

101128223 is a deficient number, since it is larger than the sum of its proper divisors (22521121).

101128223 is an equidigital number, since it uses as much as digits as its factorization.

101128223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8882.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 101128223 is about 10056.2529303911. The cubic root of 101128223 is about 465.8979419399.

Adding to 101128223 its reverse (322821101), we get a palindrome (423949324).

The spelling of 101128223 in words is "one hundred one million, one hundred twenty-eight thousand, two hundred twenty-three".