215223103 has 2 divisors, whose sum is σ = 215223104. Its totient is φ = 215223102.

The previous prime is 215223101. The next prime is 215223139. The reversal of 215223103 is 301322512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 215223103 - 2¹ = 215223101 is a prime.

Together with 215223101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215223101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107611551 + 107611552.

It is an arithmetic number, because the mean of its divisors is an integer number (107611552).

Almost surely, 2^215223103 is an apocalyptic number.

215223103 is a deficient number, since it is larger than the sum of its proper divisors (1).

215223103 is an equidigital number, since it uses as much as digits as its factorization.

215223103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 215223103 is about 14670.4840751763. The cubic root of 215223103 is about 599.2797867600.

Adding to 215223103 its reverse (301322512), we get a palindrome (516545615).

The spelling of 215223103 in words is "two hundred fifteen million, two hundred twenty-three thousand, one hundred three".