101001223 has 4 divisors (see below), whose sum is σ = 101126880. Its totient is φ = 100875568.

The previous prime is 101001217. The next prime is 101001331. The reversal of 101001223 is 322100101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322100101 = 157 ⋅2051593.

It is a cyclic number.

It is not a de Polignac number, because 101001223 - 2¹⁷ = 100870151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101008223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61615 + ... + 63232.

It is an arithmetic number, because the mean of its divisors is an integer number (25281720).

Almost surely, 2^101001223 is an apocalyptic number.

101001223 is a deficient number, since it is larger than the sum of its proper divisors (125657).

101001223 is an equidigital number, since it uses as much as digits as its factorization.

101001223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125656.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 101001223 is about 10049.9364674609. The cubic root of 101001223 is about 465.7028304832.

Adding to 101001223 its reverse (322100101), we get a palindrome (423101324).

The spelling of 101001223 in words is "one hundred one million, one thousand, two hundred twenty-three".