103239523 has 2 divisors, whose sum is σ = 103239524. Its totient is φ = 103239522.

The previous prime is 103239497. The next prime is 103239527. The reversal of 103239523 is 325932301.

It is a strong prime.

It is an emirp because it is prime and its reverse (325932301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103239523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103239491 and 103239500.

It is not a weakly prime, because it can be changed into another prime (103239527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51619761 + 51619762.

It is an arithmetic number, because the mean of its divisors is an integer number (51619762).

Almost surely, 2^103239523 is an apocalyptic number.

103239523 is a deficient number, since it is larger than the sum of its proper divisors (1).

103239523 is an equidigital number, since it uses as much as digits as its factorization.

103239523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 103239523 is about 10160.6851639050. The cubic root of 103239523 is about 469.1178912677.

The spelling of 103239523 in words is "one hundred three million, two hundred thirty-nine thousand, five hundred twenty-three".