103042393 has 2 divisors, whose sum is σ = 103042394. Its totient is φ = 103042392.

The previous prime is 103042367. The next prime is 103042409. The reversal of 103042393 is 393240301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100260169 + 2782224 = 10013^2 + 1668^2 .

It is a cyclic number.

It is not a de Polignac number, because 103042393 - 2⁵ = 103042361 is a prime.

It is not a weakly prime, because it can be changed into another prime (103042343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51521196 + 51521197.

It is an arithmetic number, because the mean of its divisors is an integer number (51521197).

Almost surely, 2^103042393 is an apocalyptic number.

It is an amenable number.

103042393 is a deficient number, since it is larger than the sum of its proper divisors (1).

103042393 is an equidigital number, since it uses as much as digits as its factorization.

103042393 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 103042393 is about 10150.9799034379. The cubic root of 103042393 is about 468.8191163743.

Adding to 103042393 its reverse (393240301), we get a palindrome (496282694).

It can be divided in two parts, 10 and 3042393, that added together give a palindrome (3042403).

The spelling of 103042393 in words is "one hundred three million, forty-two thousand, three hundred ninety-three".