103203439 has 2 divisors, whose sum is σ = 103203440. Its totient is φ = 103203438.

The previous prime is 103203407. The next prime is 103203473. The reversal of 103203439 is 934302301.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103203439 - 2⁵ = 103203407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103273439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51601719 + 51601720.

It is an arithmetic number, because the mean of its divisors is an integer number (51601720).

Almost surely, 2^103203439 is an apocalyptic number.

103203439 is a deficient number, since it is larger than the sum of its proper divisors (1).

103203439 is an equidigital number, since it uses as much as digits as its factorization.

103203439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 103203439 is about 10158.9093410661. The cubic root of 103203439 is about 469.0632299582.

The spelling of 103203439 in words is "one hundred three million, two hundred three thousand, four hundred thirty-nine".