2123231135 has 8 divisors (see below), whose sum is σ = 2548291536. Its totient is φ = 1698308800.

The previous prime is 2123231129. The next prime is 2123231141. The reversal of 2123231135 is 5311323212.

It is an interprime number because it is at equal distance from previous prime (2123231129) and next prime (2123231141).

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

It is not a de Polignac number, because 2123231135 - 2⁴ = 2123231119 is a prime.

It is a super-2 number, since 2×2123231135² = 9016220905266776450, which contains 22 as substring.

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 2123231135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3035 + ... + 65235.

It is an arithmetic number, because the mean of its divisors is an integer number (318536442).

Almost surely, 2^2123231135 is an apocalyptic number.

2123231135 is a deficient number, since it is larger than the sum of its proper divisors (425060401).

2123231135 is an equidigital number, since it uses as much as digits as its factorization.

2123231135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69033.

The product of its digits is 1080, while the sum is 23.

The square root of 2123231135 is about 46078.5322574407. The cubic root of 2123231135 is about 1285.2839708120.

Adding to 2123231135 its reverse (5311323212), we get a palindrome (7434554347).

The spelling of 2123231135 in words is "two billion, one hundred twenty-three million, two hundred thirty-one thousand, one hundred thirty-five".