2321540063 has 2 divisors, whose sum is σ = 2321540064. Its totient is φ = 2321540062.

The previous prime is 2321540041. The next prime is 2321540113. The reversal of 2321540063 is 3600451232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2321540063 - 2¹⁶ = 2321474527 is a prime.

It is a super-2 number, since 2×2321540063² = 10779096528228087938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2321540363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160770031 + 1160770032.

It is an arithmetic number, because the mean of its divisors is an integer number (1160770032).

Almost surely, 2^2321540063 is an apocalyptic number.

2321540063 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321540063 is an equidigital number, since it uses as much as digits as its factorization.

2321540063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2321540063 is about 48182.3625717959. The cubic root of 2321540063 is about 1324.1140512538.

Adding to 2321540063 its reverse (3600451232), we get a palindrome (5921991295).

The spelling of 2321540063 in words is "two billion, three hundred twenty-one million, five hundred forty thousand, sixty-three".