2123230121333 has 2 divisors, whose sum is σ = 2123230121334. Its totient is φ = 2123230121332.

The previous prime is 2123230121293. The next prime is 2123230121351. The reversal of 2123230121333 is 3331210323212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1465278777169 + 657951344164 = 1210487^2 + 811142^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123230121333 - 2¹⁰ = 2123230120309 is a prime.

It is a super-2 number, since 2×2123230121333² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123230121833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061615060666 + 1061615060667.

It is an arithmetic number, because the mean of its divisors is an integer number (1061615060667).

Almost surely, 2^{2123230121333} is an apocalyptic number.

It is an amenable number.

2123230121333 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123230121333 is an equidigital number, since it uses as much as digits as its factorization.

2123230121333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 2123230121333 its reverse (3331210323212), we get a palindrome (5454440444545).

The spelling of 2123230121333 in words is "two trillion, one hundred twenty-three billion, two hundred thirty million, one hundred twenty-one thousand, three hundred thirty-three".