2123120231035 has 8 divisors (see below), whose sum is σ = 2697611587776. Its totient is φ = 1598584644480.

The previous prime is 2123120231027. The next prime is 2123120231039. The reversal of 2123120231035 is 5301320213212.

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

It is not a de Polignac number, because 2123120231035 - 2³ = 2123120231027 is a prime.

It is a super-2 number, since 2×2123120231035² (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 (2123120231039) 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, 12488942451 + ... + 12488942620.

It is an arithmetic number, because the mean of its divisors is an integer number (337201448472).

Almost surely, 2^{2123120231035} is an apocalyptic number.

2123120231035 is a deficient number, since it is larger than the sum of its proper divisors (574491356741).

2123120231035 is a wasteful number, since it uses less digits than its factorization.

2123120231035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24977885093.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 2123120231035 its reverse (5301320213212), we get a palindrome (7424440444247).

The spelling of 2123120231035 in words is "two trillion, one hundred twenty-three billion, one hundred twenty million, two hundred thirty-one thousand, thirty-five".