100223723 has 2 divisors, whose sum is σ = 100223724. Its totient is φ = 100223722.

The previous prime is 100223699. The next prime is 100223729. The reversal of 100223723 is 327322001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100223723 - 2⁸ = 100223467 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 100223695 and 100223704.

It is not a weakly prime, because it can be changed into another prime (100223729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50111861 + 50111862.

It is an arithmetic number, because the mean of its divisors is an integer number (50111862).

Almost surely, 2^100223723 is an apocalyptic number.

100223723 is a deficient number, since it is larger than the sum of its proper divisors (1).

100223723 is an equidigital number, since it uses as much as digits as its factorization.

100223723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 100223723 is about 10011.1799004913. The cubic root of 100223723 is about 464.5047689404.

Adding to 100223723 its reverse (327322001), we get a palindrome (427545724).

The spelling of 100223723 in words is "one hundred million, two hundred twenty-three thousand, seven hundred twenty-three".