1403323001 has 2 divisors, whose sum is σ = 1403323002. Its totient is φ = 1403323000.

The previous prime is 1403322967. The next prime is 1403323003. The reversal of 1403323001 is 1003233041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1278420025 + 124902976 = 35755^2 + 11176^2 .

It is a cyclic number.

It is not a de Polignac number, because 1403323001 - 2³⁰ = 329581177 is a prime.

Together with 1403323003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1403323003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701661500 + 701661501.

It is an arithmetic number, because the mean of its divisors is an integer number (701661501).

Almost surely, 2^1403323001 is an apocalyptic number.

It is an amenable number.

1403323001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1403323001 is an equidigital number, since it uses as much as digits as its factorization.

1403323001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1403323001 is about 37460.9530177757. The cubic root of 1403323001 is about 1119.5733390265.

Adding to 1403323001 its reverse (1003233041), we get a palindrome (2406556042).

The spelling of 1403323001 in words is "one billion, four hundred three million, three hundred twenty-three thousand, one".