103443394 has 4 divisors (see below), whose sum is σ = 155165094. Its totient is φ = 51721696.

The previous prime is 103443371. The next prime is 103443401. The reversal of 103443394 is 493344301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 493344301 = 17 ⋅29020253.

It can be written as a sum of positive squares in only one way, i.e., 99261369 + 4182025 = 9963^2 + 2045^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25860847 + ... + 25860850.

Almost surely, 2^103443394 is an apocalyptic number.

103443394 is a deficient number, since it is larger than the sum of its proper divisors (51721700).

103443394 is an equidigital number, since it uses as much as digits as its factorization.

103443394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51721699.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 103443394 is about 10170.7125610746. The cubic root of 103443394 is about 469.4264831889.

Adding to 103443394 its reverse (493344301), we get a palindrome (596787695).

The spelling of 103443394 in words is "one hundred three million, four hundred forty-three thousand, three hundred ninety-four".