13123051343 has 4 divisors (see below), whose sum is σ = 13443125808. Its totient is φ = 12802976880.

The previous prime is 13123051321. The next prime is 13123051387. The reversal of 13123051343 is 34315032131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13123051343 - 2¹² = 13123047247 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 (13123051243) 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, 160037171 + ... + 160037252.

It is an arithmetic number, because the mean of its divisors is an integer number (3360781452).

Almost surely, 2^13123051343 is an apocalyptic number.

13123051343 is a deficient number, since it is larger than the sum of its proper divisors (320074465).

13123051343 is an equidigital number, since it uses as much as digits as its factorization.

13123051343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320074464.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 13123051343 its reverse (34315032131), we get a palindrome (47438083474).

The spelling of 13123051343 in words is "thirteen billion, one hundred twenty-three million, fifty-one thousand, three hundred forty-three".