101155223 has 8 divisors (see below), whose sum is σ = 109328016. Its totient is φ = 93038400.

The previous prime is 101155213. The next prime is 101155247. The reversal of 101155223 is 322551101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-101155223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101155195 and 101155204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101155213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10193 + ... + 17498.

It is an arithmetic number, because the mean of its divisors is an integer number (13666002).

Almost surely, 2^101155223 is an apocalyptic number.

101155223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

101155223 is a deficient number, since it is larger than the sum of its proper divisors (8172793).

101155223 is a wasteful number, since it uses less digits than its factorization.

101155223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27985.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 101155223 is about 10057.5952891335. The cubic root of 101155223 is about 465.9394012699.

The spelling of 101155223 in words is "one hundred one million, one hundred fifty-five thousand, two hundred twenty-three".