123220103 has 2 divisors, whose sum is σ = 123220104. Its totient is φ = 123220102.

The previous prime is 123220079. The next prime is 123220117. The reversal of 123220103 is 301022321.

It is a happy number.

It is an a-pointer prime, because the next prime (123220117) can be obtained adding 123220103 to its sum of digits (14).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123220103 - 2¹⁴ = 123203719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123220193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61610051 + 61610052.

It is an arithmetic number, because the mean of its divisors is an integer number (61610052).

Almost surely, 2^123220103 is an apocalyptic number.

123220103 is a deficient number, since it is larger than the sum of its proper divisors (1).

123220103 is an equidigital number, since it uses as much as digits as its factorization.

123220103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 123220103 is about 11100.4550807613. The cubic root of 123220103 is about 497.6154499202.

Adding to 123220103 its reverse (301022321), we get a palindrome (424242424).

The spelling of 123220103 in words is "one hundred twenty-three million, two hundred twenty thousand, one hundred three".