10403323397 has 4 divisors (see below), whose sum is σ = 10446490956. Its totient is φ = 10360155840.

The previous prime is 10403323391. The next prime is 10403323409. The reversal of 10403323397 is 79332330401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79332330401 = 26021 ⋅3048781.

It can be written as a sum of positive squares in 2 ways, for example, as 4580717761 + 5822605636 = 67681^2 + 76306^2 .

It is a cyclic number.

It is not a de Polignac number, because 10403323397 - 2¹⁰ = 10403322373 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, 21583418 + ... + 21583899.

It is an arithmetic number, because the mean of its divisors is an integer number (2611622739).

Almost surely, 2^10403323397 is an apocalyptic number.

It is an amenable number.

10403323397 is a deficient number, since it is larger than the sum of its proper divisors (43167559).

10403323397 is an equidigital number, since it uses as much as digits as its factorization.

10403323397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43167558.

The product of its (nonzero) digits is 40824, while the sum is 35.

Adding to 10403323397 its reverse (79332330401), we get a palindrome (89735653798).

The spelling of 10403323397 in words is "ten billion, four hundred three million, three hundred twenty-three thousand, three hundred ninety-seven".