10403323399 has 4 divisors (see below), whose sum is σ = 11889512464. Its totient is φ = 8917134336.

The previous prime is 10403323391. The next prime is 10403323409. The reversal of 10403323399 is 99332330401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99332330401 = 3061 ⋅32450941.

It is a cyclic number.

It is not a de Polignac number, because 10403323399 - 2³ = 10403323391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10403323391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743094522 + ... + 743094535.

It is an arithmetic number, because the mean of its divisors is an integer number (2972378116).

Almost surely, 2^10403323399 is an apocalyptic number.

10403323399 is a deficient number, since it is larger than the sum of its proper divisors (1486189065).

10403323399 is an equidigital number, since it uses as much as digits as its factorization.

10403323399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486189064.

The product of its (nonzero) digits is 52488, while the sum is 37.

The spelling of 10403323399 in words is "ten billion, four hundred three million, three hundred twenty-three thousand, three hundred ninety-nine".