11303103123 has 60 divisors (see below), whose sum is σ = 19359536328. Its totient is φ = 6546458880.

The previous prime is 11303103107. The next prime is 11303103127. The reversal of 11303103123 is 32130130311.

It is a happy number.

11303103123 is a `hidden beast` number, since 11 + 30 + 310 + 312 + 3 = 666.

It is not a de Polignac number, because 11303103123 - 2⁴ = 11303103107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11303103096 and 11303103105.

It is not an unprimeable number, because it can be changed into a prime (11303103127) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 208428 + ... + 256998.

Almost surely, 2^11303103123 is an apocalyptic number.

11303103123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11303103123 is a deficient number, since it is larger than the sum of its proper divisors (8056433205).

11303103123 is a wasteful number, since it uses less digits than its factorization.

11303103123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48626 (or 48604 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11303103123 its reverse (32130130311), we get a palindrome (43433233434).

The spelling of 11303103123 in words is "eleven billion, three hundred three million, one hundred three thousand, one hundred twenty-three".