13123103243 has 8 divisors (see below), whose sum is σ = 13164148800. Its totient is φ = 13082102208.

The previous prime is 13123103239. The next prime is 13123103251. The reversal of 13123103243 is 34230132131.

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 13123103243 - 2² = 13123103239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13123103263) 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, 637313 + ... + 657581.

It is an arithmetic number, because the mean of its divisors is an integer number (1645518600).

Almost surely, 2^13123103243 is an apocalyptic number.

13123103243 is a deficient number, since it is larger than the sum of its proper divisors (41045557).

13123103243 is a wasteful number, since it uses less digits than its factorization.

13123103243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22261.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 13123103243 its reverse (34230132131), we get a palindrome (47353235374).

The spelling of 13123103243 in words is "thirteen billion, one hundred twenty-three million, one hundred three thousand, two hundred forty-three".