123200311030111 has 12 divisors (see below), whose sum is σ = 143359559849520. Its totient is φ = 105567173305440.

The previous prime is 123200311030019. The next prime is 123200311030207. The reversal of 123200311030111 is 111030113002321.

It is not a de Polignac number, because 123200311030111 - 2¹¹ = 123200311028063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123200311030711) 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, 393809806 + ... + 394122523.

It is an arithmetic number, because the mean of its divisors is an integer number (11946629987460).

Almost surely, 2^{123200311030111} is an apocalyptic number.

123200311030111 is a deficient number, since it is larger than the sum of its proper divisors (20159248819409).

123200311030111 is an equidigital number, since it uses as much as digits as its factorization.

123200311030111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787935534 (or 787935527 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 123200311030111 its reverse (111030113002321), we get a palindrome (234230424032432).

The spelling of 123200311030111 in words is "one hundred twenty-three trillion, two hundred billion, three hundred eleven million, thirty thousand, one hundred eleven".