2123022311 has 8 divisors (see below), whose sum is σ = 2169977040. Its totient is φ = 2076433408.

The previous prime is 2123022277. The next prime is 2123022313. The reversal of 2123022311 is 1132203212.

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-2123022311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2123022311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123022313) 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, 79706 + ... + 102951.

It is an arithmetic number, because the mean of its divisors is an integer number (271247130).

Almost surely, 2^2123022311 is an apocalyptic number.

2123022311 is a deficient number, since it is larger than the sum of its proper divisors (46954729).

2123022311 is a wasteful number, since it uses less digits than its factorization.

2123022311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182913.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2123022311 is about 46076.2662441305. The cubic root of 2123022311 is about 1285.2418326866.

Adding to 2123022311 its reverse (1132203212), we get a palindrome (3255225523).

The spelling of 2123022311 in words is "two billion, one hundred twenty-three million, twenty-two thousand, three hundred eleven".