10403323409 has 2 divisors, whose sum is σ = 10403323410. Its totient is φ = 10403323408.

The previous prime is 10403323391. The next prime is 10403323421. The reversal of 10403323409 is 90432330401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9891297025 + 512026384 = 99455^2 + 22628^2 .

It is a cyclic number.

It is not a de Polignac number, because 10403323409 - 2²⁰ = 10402274833 is a prime.

It is not a weakly prime, because it can be changed into another prime (10403323109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5201661704 + 5201661705.

It is an arithmetic number, because the mean of its divisors is an integer number (5201661705).

Almost surely, 2^10403323409 is an apocalyptic number.

It is an amenable number.

10403323409 is a deficient number, since it is larger than the sum of its proper divisors (1).

10403323409 is an equidigital number, since it uses as much as digits as its factorization.

10403323409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 10403323409 in words is "ten billion, four hundred three million, three hundred twenty-three thousand, four hundred nine".