13121202323 has 8 divisors (see below), whose sum is σ = 13192916880. Its totient is φ = 13049578080.

The previous prime is 13121202317. The next prime is 13121202329. The reversal of 13121202323 is 32320212131.

It is an interprime number because it is at equal distance from previous prime (13121202317) and next prime (13121202329).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13121202323 - 2⁴ = 13121202307 is a prime.

It is a super-2 number, since 2×13121202323² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13121202295 and 13121202304.

It is not an unprimeable number, because it can be changed into a prime (13121202329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279761 + ... + 323277.

It is an arithmetic number, because the mean of its divisors is an integer number (1649114610).

Almost surely, 2^13121202323 is an apocalyptic number.

13121202323 is a deficient number, since it is larger than the sum of its proper divisors (71714557).

13121202323 is a wasteful number, since it uses less digits than its factorization.

13121202323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45157.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13121202323 its reverse (32320212131), we get a palindrome (45441414454).

The spelling of 13121202323 in words is "thirteen billion, one hundred twenty-one million, two hundred two thousand, three hundred twenty-three".