2321233121 has 2 divisors, whose sum is σ = 2321233122. Its totient is φ = 2321233120.

The previous prime is 2321233111. The next prime is 2321233127. The reversal of 2321233121 is 1213321232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2313610000 + 7623121 = 48100^2 + 2761^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2321233121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2321233093 and 2321233102.

It is not a weakly prime, because it can be changed into another prime (2321233127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160616560 + 1160616561.

It is an arithmetic number, because the mean of its divisors is an integer number (1160616561).

Almost surely, 2^2321233121 is an apocalyptic number.

It is an amenable number.

2321233121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321233121 is an equidigital number, since it uses as much as digits as its factorization.

2321233121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 20.

The square root of 2321233121 is about 48179.1772553247. The cubic root of 2321233121 is about 1324.0556928484.

Adding to 2321233121 its reverse (1213321232), we get a palindrome (3534554353).

The spelling of 2321233121 in words is "two billion, three hundred twenty-one million, two hundred thirty-three thousand, one hundred twenty-one".