13123042303 has 16 divisors (see below), whose sum is σ = 16213803520. Its totient is φ = 10368292896.

The previous prime is 13123042279. The next prime is 13123042307. The reversal of 13123042303 is 30324032131.

It is a cyclic number.

It is not a de Polignac number, because 13123042303 - 2⁹ = 13123041791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123042307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1328451 + ... + 1338292.

It is an arithmetic number, because the mean of its divisors is an integer number (1013362720).

Almost surely, 2^13123042303 is an apocalyptic number.

13123042303 is a deficient number, since it is larger than the sum of its proper divisors (3090761217).

13123042303 is a wasteful number, since it uses less digits than its factorization.

13123042303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666806.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13123042303 its reverse (30324032131), we get a palindrome (43447074434).

The spelling of 13123042303 in words is "thirteen billion, one hundred twenty-three million, forty-two thousand, three hundred three".