1003423481 has 2 divisors, whose sum is σ = 1003423482. Its totient is φ = 1003423480.

The previous prime is 1003423433. The next prime is 1003423489. The reversal of 1003423481 is 1843243001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 890724025 + 112699456 = 29845^2 + 10616^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003423481 - 2⁶ = 1003423417 is a prime.

It is a super-2 number, since 2×1003423481² = 2013717364444314722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1003423481.

It is not a weakly prime, because it can be changed into another prime (1003423489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501711740 + 501711741.

It is an arithmetic number, because the mean of its divisors is an integer number (501711741).

Almost surely, 2^1003423481 is an apocalyptic number.

It is an amenable number.

1003423481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003423481 is an equidigital number, since it uses as much as digits as its factorization.

1003423481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1003423481 is about 31676.8603400021. The cubic root of 1003423481 is about 1001.1398605576.

Adding to 1003423481 its reverse (1843243001), we get a palindrome (2846666482).

It can be divided in two parts, 100342 and 3481, that added together give a cube (103823 = 47³).

The spelling of 1003423481 in words is "one billion, three million, four hundred twenty-three thousand, four hundred eighty-one".