2123043031 has 8 divisors (see below), whose sum is σ = 2143710800. Its totient is φ = 2102397120.

The previous prime is 2123043001. The next prime is 2123043053. The reversal of 2123043031 is 1303403212.

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 2123043031 - 2⁷ = 2123042903 is a prime.

It is a super-2 number, since 2×2123043031² = 9014623422955333922, 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 (2123043001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244360 + ... + 252898.

It is an arithmetic number, because the mean of its divisors is an integer number (267963850).

Almost surely, 2^2123043031 is an apocalyptic number.

2123043031 is a deficient number, since it is larger than the sum of its proper divisors (20667769).

2123043031 is a wasteful number, since it uses less digits than its factorization.

2123043031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10929.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2123043031 is about 46076.4910881894. The cubic root of 2123043031 is about 1285.2460138523.

Adding to 2123043031 its reverse (1303403212), we get a palindrome (3426446243).

It can be divided in two parts, 21230 and 43031, that added together give a triangular number (64261 = T₃₅₈).

The spelling of 2123043031 in words is "two billion, one hundred twenty-three million, forty-three thousand, thirty-one".