103445123 has 2 divisors, whose sum is σ = 103445124. Its totient is φ = 103445122.

The previous prime is 103445087. The next prime is 103445201. The reversal of 103445123 is 321544301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103445123 - 2⁸ = 103444867 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (103445623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51722561 + 51722562.

It is an arithmetic number, because the mean of its divisors is an integer number (51722562).

Almost surely, 2^103445123 is an apocalyptic number.

103445123 is a deficient number, since it is larger than the sum of its proper divisors (1).

103445123 is an equidigital number, since it uses as much as digits as its factorization.

103445123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 103445123 is about 10170.7975596804. The cubic root of 103445123 is about 469.4290985770.

Adding to 103445123 its reverse (321544301), we get a palindrome (424989424).

The spelling of 103445123 in words is "one hundred three million, four hundred forty-five thousand, one hundred twenty-three".