13023123313 has 4 divisors (see below), whose sum is σ = 13043377648. Its totient is φ = 13002868980.

The previous prime is 13023123301. The next prime is 13023123329. The reversal of 13023123313 is 31332132031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13023123313 - 2¹³ = 13023115121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13023123913) 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, 10126203 + ... + 10127488.

It is an arithmetic number, because the mean of its divisors is an integer number (3260844412).

Almost surely, 2^13023123313 is an apocalyptic number.

It is an amenable number.

13023123313 is a deficient number, since it is larger than the sum of its proper divisors (20254335).

13023123313 is an equidigital number, since it uses as much as digits as its factorization.

13023123313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20254334.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13023123313 its reverse (31332132031), we get a palindrome (44355255344).

The spelling of 13023123313 in words is "thirteen billion, twenty-three million, one hundred twenty-three thousand, three hundred thirteen".