2301311123 has 4 divisors (see below), whose sum is σ = 2301507168. Its totient is φ = 2301115080.

The previous prime is 2301311113. The next prime is 2301311137. The reversal of 2301311123 is 3211131032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2301311123 - 2¹² = 2301307027 is a prime.

It is a super-2 number, since 2×2301311123² = 10592065769687042258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2301311113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79211 + ... + 104292.

It is an arithmetic number, because the mean of its divisors is an integer number (575376792).

Almost surely, 2^2301311123 is an apocalyptic number.

2301311123 is a deficient number, since it is larger than the sum of its proper divisors (196045).

2301311123 is a wasteful number, since it uses less digits than its factorization.

2301311123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196044.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2301311123 is about 47971.9826878148. The cubic root of 2301311123 is about 1320.2568988435.

Adding to 2301311123 its reverse (3211131032), we get a palindrome (5512442155).

The spelling of 2301311123 in words is "two billion, three hundred one million, three hundred eleven thousand, one hundred twenty-three".