11030313123 has 12 divisors (see below), whose sum is σ = 15950023440. Its totient is φ = 7345534896.

The previous prime is 11030313079. The next prime is 11030313131. The reversal of 11030313123 is 32131303011.

It is a happy number.

It is not a de Polignac number, because 11030313123 - 2¹⁸ = 11030050979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11030313096 and 11030313105.

It is not an unprimeable number, because it can be changed into a prime (11030313163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 658536 + ... + 675077.

It is an arithmetic number, because the mean of its divisors is an integer number (1329168620).

Almost surely, 2^11030313123 is an apocalyptic number.

11030313123 is a deficient number, since it is larger than the sum of its proper divisors (4919710317).

11030313123 is a wasteful number, since it uses less digits than its factorization.

11030313123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334538 (or 1334535 counting only the distinct ones).

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

Adding to 11030313123 its reverse (32131303011), we get a palindrome (43161616134).

The spelling of 11030313123 in words is "eleven billion, thirty million, three hundred thirteen thousand, one hundred twenty-three".