2123020231033 has 4 divisors (see below), whose sum is σ = 2286329479588. Its totient is φ = 1959710982480.

The previous prime is 2123020230977. The next prime is 2123020231109. The reversal of 2123020231033 is 3301320203212.

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

It can be written as a sum of positive squares in 2 ways, for example, as 386718565689 + 1736301665344 = 621867^2 + 1317688^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123020231033 - 2³³ = 2114430296441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2123020230995 and 2123020231013.

It is not an unprimeable number, because it can be changed into a prime (2123020231933) 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, 81654624258 + ... + 81654624283.

It is an arithmetic number, because the mean of its divisors is an integer number (571582369897).

Almost surely, 2^{2123020231033} is an apocalyptic number.

It is an amenable number.

2123020231033 is a deficient number, since it is larger than the sum of its proper divisors (163309248555).

2123020231033 is a wasteful number, since it uses less digits than its factorization.

2123020231033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163309248554.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 2123020231033 its reverse (3301320203212), we get a palindrome (5424340434245).

The spelling of 2123020231033 in words is "two trillion, one hundred twenty-three billion, twenty million, two hundred thirty-one thousand, thirty-three".