2321111123 has 8 divisors (see below), whose sum is σ = 2350706400. Its totient is φ = 2291703040.

The previous prime is 2321111113. The next prime is 2321111161. The reversal of 2321111123 is 3211111232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2321111123 - 2¹² = 2321107027 is a prime.

It is a super-2 number, since 2×2321111123² = 10775113690628642258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321111113) 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, 21758 + ... + 71523.

It is an arithmetic number, because the mean of its divisors is an integer number (293838300).

Almost surely, 2^2321111123 is an apocalyptic number.

2321111123 is a deficient number, since it is larger than the sum of its proper divisors (29595277).

2321111123 is a wasteful number, since it uses less digits than its factorization.

2321111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93597.

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

The square root of 2321111123 is about 48177.9111523113. The cubic root of 2321111123 is about 1324.0324961295.

Adding to 2321111123 its reverse (3211111232), we get a palindrome (5532222355).

It can be divided in two parts, 2 and 321111123, that multiplied together give a palindrome (642222246).

The spelling of 2321111123 in words is "two billion, three hundred twenty-one million, one hundred eleven thousand, one hundred twenty-three".