103320073 has 2 divisors, whose sum is σ = 103320074. Its totient is φ = 103320072.

The previous prime is 103320037. The next prime is 103320083. The reversal of 103320073 is 370023301.

Together with previous prime (103320037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75568249 + 27751824 = 8693^2 + 5268^2 .

It is a cyclic number.

It is not a de Polignac number, because 103320073 - 2²¹ = 101222921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103320073.

It is not a weakly prime, because it can be changed into another prime (103320083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51660036 + 51660037.

It is an arithmetic number, because the mean of its divisors is an integer number (51660037).

Almost surely, 2^103320073 is an apocalyptic number.

It is an amenable number.

103320073 is a deficient number, since it is larger than the sum of its proper divisors (1).

103320073 is an equidigital number, since it uses as much as digits as its factorization.

103320073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 103320073 is about 10164.6481985359. The cubic root of 103320073 is about 469.2398653003.

Adding to 103320073 its reverse (370023301), we get a palindrome (473343374).

The spelling of 103320073 in words is "one hundred three million, three hundred twenty thousand, seventy-three".