2312111123 has 8 divisors (see below), whose sum is σ = 2643164160. Its totient is φ = 1981245960.

The previous prime is 2312111117. The next prime is 2312111141. The reversal of 2312111123 is 3211112132.

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-2312111123 is a prime.

It is a super-2 number, since 2×2312111123² = 10691715690200642258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2312111173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19523 + ... + 70748.

It is an arithmetic number, because the mean of its divisors is an integer number (330395520).

Almost surely, 2^2312111123 is an apocalyptic number.

2312111123 is a deficient number, since it is larger than the sum of its proper divisors (331053037).

2312111123 is an equidigital number, since it uses as much as digits as its factorization.

2312111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93937.

The product of its digits is 72, while the sum is 17.

The square root of 2312111123 is about 48084.4166336663. The cubic root of 2312111123 is about 1322.3189881415.

Adding to 2312111123 its reverse (3211112132), we get a palindrome (5523223255).

The spelling of 2312111123 in words is "two billion, three hundred twelve million, one hundred eleven thousand, one hundred twenty-three".