2123323331 has 8 divisors (see below), whose sum is σ = 2224533504. Its totient is φ = 2024157960.

The previous prime is 2123323309. The next prime is 2123323351. The reversal of 2123323331 is 1333233212.

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 2123323331 - 2¹⁰ = 2123322307 is a prime.

It is a super-2 number, since 2×2123323331² = 9017003935937871122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2123323297 and 2123323306.

It is not an unprimeable number, because it can be changed into a prime (2123323351) 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, 509075 + ... + 513228.

It is an arithmetic number, because the mean of its divisors is an integer number (278066688).

Almost surely, 2^2123323331 is an apocalyptic number.

2123323331 is a deficient number, since it is larger than the sum of its proper divisors (101210173).

2123323331 is a wasteful number, since it uses less digits than its factorization.

2123323331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022401.

The product of its digits is 1944, while the sum is 23.

The square root of 2123323331 is about 46079.5326690712. The cubic root of 2123323331 is about 1285.3025739563.

Adding to 2123323331 its reverse (1333233212), we get a palindrome (3456556543).

The spelling of 2123323331 in words is "two billion, one hundred twenty-three million, three hundred twenty-three thousand, three hundred thirty-one".