2311123159 has 8 divisors (see below), whose sum is σ = 2435333040. Its totient is φ = 2187170496.

The previous prime is 2311123103. The next prime is 2311123169. The reversal of 2311123159 is 9513211132.

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 2311123159 - 2¹⁵ = 2311090391 is a prime.

It is a super-2 number, since 2×2311123159² = 10682580512132278562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311123169) 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, 45712 + ... + 81925.

It is an arithmetic number, because the mean of its divisors is an integer number (304416630).

Almost surely, 2^2311123159 is an apocalyptic number.

2311123159 is a deficient number, since it is larger than the sum of its proper divisors (124209881).

2311123159 is a wasteful number, since it uses less digits than its factorization.

2311123159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128609.

The product of its digits is 1620, while the sum is 28.

The square root of 2311123159 is about 48074.1423116419. The cubic root of 2311123159 is about 1322.1306192142.

The spelling of 2311123159 in words is "two billion, three hundred eleven million, one hundred twenty-three thousand, one hundred fifty-nine".