103213223 has 2 divisors, whose sum is σ = 103213224. Its totient is φ = 103213222.

The previous prime is 103213219. The next prime is 103213249. The reversal of 103213223 is 322312301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103213223 - 2² = 103213219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103213283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51606611 + 51606612.

It is an arithmetic number, because the mean of its divisors is an integer number (51606612).

Almost surely, 2^103213223 is an apocalyptic number.

103213223 is a deficient number, since it is larger than the sum of its proper divisors (1).

103213223 is an equidigital number, since it uses as much as digits as its factorization.

103213223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 103213223 is about 10159.3908774099. The cubic root of 103213223 is about 469.0780523636.

Adding to 103213223 its reverse (322312301), we get a palindrome (425525524).

The spelling of 103213223 in words is "one hundred three million, two hundred thirteen thousand, two hundred twenty-three".