123111302303 has 8 divisors (see below), whose sum is σ = 134367554640. Its totient is φ = 111865769280.

The previous prime is 123111302267. The next prime is 123111302311. The reversal of 123111302303 is 303203111321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123111302303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123111302603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2655800 + ... + 2701757.

It is an arithmetic number, because the mean of its divisors is an integer number (16795944330).

Almost surely, 2^123111302303 is an apocalyptic number.

123111302303 is a deficient number, since it is larger than the sum of its proper divisors (11256252337).

123111302303 is a wasteful number, since it uses less digits than its factorization.

123111302303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5359657.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 123111302303 its reverse (303203111321), we get a palindrome (426314413624).

The spelling of 123111302303 in words is "one hundred twenty-three billion, one hundred eleven million, three hundred two thousand, three hundred three".