123113111303 has 16 divisors (see below), whose sum is σ = 159498769920. Its totient is φ = 92281428576.

The previous prime is 123113111269. The next prime is 123113111309. The reversal of 123113111303 is 303111311321.

It is a cyclic number.

It is not a de Polignac number, because 123113111303 - 2⁶ = 123113111239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123113111309) 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, 35600675 + ... + 35604132.

It is an arithmetic number, because the mean of its divisors is an integer number (9968673120).

Almost surely, 2^123113111303 is an apocalyptic number.

123113111303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123113111303 is a deficient number, since it is larger than the sum of its proper divisors (36385658617).

123113111303 is a wasteful number, since it uses less digits than its factorization.

123113111303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71204846.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 123113111303 its reverse (303111311321), we get a palindrome (426224422624).

The spelling of 123113111303 in words is "one hundred twenty-three billion, one hundred thirteen million, one hundred eleven thousand, three hundred three".