103443401 has 2 divisors, whose sum is σ = 103443402. Its totient is φ = 103443400.

The previous prime is 103443371. The next prime is 103443421. The reversal of 103443401 is 104344301.

It is a happy number.

It is an a-pointer prime, because the next prime (103443421) can be obtained adding 103443401 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85082176 + 18361225 = 9224^2 + 4285^2 .

It is an emirp because it is prime and its reverse (104344301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103443401 - 2¹⁰ = 103442377 is a prime.

It is not a weakly prime, because it can be changed into another prime (103443421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51721700 + 51721701.

It is an arithmetic number, because the mean of its divisors is an integer number (51721701).

Almost surely, 2^103443401 is an apocalyptic number.

It is an amenable number.

103443401 is a deficient number, since it is larger than the sum of its proper divisors (1).

103443401 is an equidigital number, since it uses as much as digits as its factorization.

103443401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 103443401 is about 10170.7129051999. The cubic root of 103443401 is about 469.4264937776.

Adding to 103443401 its reverse (104344301), we get a palindrome (207787702).

The spelling of 103443401 in words is "one hundred three million, four hundred forty-three thousand, four hundred one".