103202123 has 2 divisors, whose sum is σ = 103202124. Its totient is φ = 103202122.

The previous prime is 103202111. The next prime is 103202137. The reversal of 103202123 is 321202301.

It is a happy number.

It is an a-pointer prime, because the next prime (103202137) can be obtained adding 103202123 to its sum of digits (14).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103202123 - 2⁶ = 103202059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103202098 and 103202107.

It is not a weakly prime, because it can be changed into another prime (103202023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51601061 + 51601062.

It is an arithmetic number, because the mean of its divisors is an integer number (51601062).

Almost surely, 2^103202123 is an apocalyptic number.

103202123 is a deficient number, since it is larger than the sum of its proper divisors (1).

103202123 is an equidigital number, since it uses as much as digits as its factorization.

103202123 is an odious number, because the sum of its binary digits is odd.

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

The square root of 103202123 is about 10158.8445701271. The cubic root of 103202123 is about 469.0612361944.

Adding to 103202123 its reverse (321202301), we get a palindrome (424404424).

The spelling of 103202123 in words is "one hundred three million, two hundred two thousand, one hundred twenty-three".