103720223 has 2 divisors, whose sum is σ = 103720224. Its totient is φ = 103720222.

The previous prime is 103720219. The next prime is 103720229. The reversal of 103720223 is 322027301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103720223 - 2² = 103720219 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 103720195 and 103720204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103720229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51860111 + 51860112.

It is an arithmetic number, because the mean of its divisors is an integer number (51860112).

Almost surely, 2^103720223 is an apocalyptic number.

103720223 is a deficient number, since it is larger than the sum of its proper divisors (1).

103720223 is an equidigital number, since it uses as much as digits as its factorization.

103720223 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 103720223 is about 10184.3125933958. The cubic root of 103720223 is about 469.8448605213.

Adding to 103720223 its reverse (322027301), we get a palindrome (425747524).

The spelling of 103720223 in words is "one hundred three million, seven hundred twenty thousand, two hundred twenty-three".