103443973 has 2 divisors, whose sum is σ = 103443974. Its totient is φ = 103443972.

The previous prime is 103443953. The next prime is 103444007. The reversal of 103443973 is 379344301.

It is a happy number.

It is an a-pointer prime, because the next prime (103444007) can be obtained adding 103443973 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86527204 + 16916769 = 9302^2 + 4113^2 .

It is a cyclic number.

It is not a de Polignac number, because 103443973 - 2¹⁷ = 103312901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103443953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51721986 + 51721987.

It is an arithmetic number, because the mean of its divisors is an integer number (51721987).

Almost surely, 2^103443973 is an apocalyptic number.

It is an amenable number.

103443973 is a deficient number, since it is larger than the sum of its proper divisors (1).

103443973 is an equidigital number, since it uses as much as digits as its factorization.

103443973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 103443973 is about 10170.7410251171. The cubic root of 103443973 is about 469.4273590219.

The spelling of 103443973 in words is "one hundred three million, four hundred forty-three thousand, nine hundred seventy-three".