2010431123243 has 4 divisors (see below), whose sum is σ = 2010434204688. Its totient is φ = 2010428041800.

The previous prime is 2010431123237. The next prime is 2010431123273. The reversal of 2010431123243 is 3423211340102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2010431123243 - 2¹⁸ = 2010430861099 is a prime.

It is a super-2 number, since 2×2010431123243² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2010431123213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133871 + ... + 2009672.

It is an arithmetic number, because the mean of its divisors is an integer number (502608551172).

Almost surely, 2^{2010431123243} is an apocalyptic number.

2010431123243 is a deficient number, since it is larger than the sum of its proper divisors (3081445).

2010431123243 is an equidigital number, since it uses as much as digits as its factorization.

2010431123243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3081444.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 2010431123243 its reverse (3423211340102), we get a palindrome (5433642463345).

The spelling of 2010431123243 in words is "two trillion, ten billion, four hundred thirty-one million, one hundred twenty-three thousand, two hundred forty-three".