103444447 has 2 divisors, whose sum is σ = 103444448. Its totient is φ = 103444446.

The previous prime is 103444423. The next prime is 103444457. The reversal of 103444447 is 744444301.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103444447 is a prime.

It is equal to p_5948410 and since 103444447 and 5948410 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103444457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51722223 + 51722224.

It is an arithmetic number, because the mean of its divisors is an integer number (51722224).

Almost surely, 2^103444447 is an apocalyptic number.

103444447 is a deficient number, since it is larger than the sum of its proper divisors (1).

103444447 is an equidigital number, since it uses as much as digits as its factorization.

103444447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 103444447 is about 10170.7643272273. The cubic root of 103444447 is about 469.4280760227.

Adding to 103444447 its reverse (744444301), we get a palindrome (847888748).

The spelling of 103444447 in words is "one hundred three million, four hundred forty-four thousand, four hundred forty-seven".