2231123999 has 16 divisors (see below), whose sum is σ = 2447625600. Its totient is φ = 2021153376.

The previous prime is 2231123977. The next prime is 2231124023. The reversal of 2231123999 is 9993211322.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2231123999 is a prime.

It is a super-3 number, since 3×2231123999³ (a number of 29 digits) contains 333 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 (2231125999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521732 + ... + 525990.

It is an arithmetic number, because the mean of its divisors is an integer number (152976600).

Almost surely, 2^2231123999 is an apocalyptic number.

2231123999 is a deficient number, since it is larger than the sum of its proper divisors (216501601).

2231123999 is a wasteful number, since it uses less digits than its factorization.

2231123999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5014.

The product of its digits is 52488, while the sum is 41.

The square root of 2231123999 is about 47234.7753143804. The cubic root of 2231123999 is about 1306.6960227928.

The spelling of 2231123999 in words is "two billion, two hundred thirty-one million, one hundred twenty-three thousand, nine hundred ninety-nine".