1001100223 has 2 divisors, whose sum is σ = 1001100224. Its totient is φ = 1001100222.

The previous prime is 1001100179. The next prime is 1001100227. The reversal of 1001100223 is 3220011001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001100223 - 2¹³ = 1001092031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001100227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500550111 + 500550112.

It is an arithmetic number, because the mean of its divisors is an integer number (500550112).

Almost surely, 2^1001100223 is an apocalyptic number.

1001100223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001100223 is an equidigital number, since it uses as much as digits as its factorization.

1001100223 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1001100223 is about 31640.1678725003. The cubic root of 1001100223 is about 1000.3666065832.

Adding to 1001100223 its reverse (3220011001), we get a palindrome (4221111224).

The spelling of 1001100223 in words is "one billion, one million, one hundred thousand, two hundred twenty-three".