2321530153 has 2 divisors, whose sum is σ = 2321530154. Its totient is φ = 2321530152.

The previous prime is 2321530129. The next prime is 2321530157. The reversal of 2321530153 is 3510351232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1649009664 + 672520489 = 40608^2 + 25933^2 .

It is a cyclic number.

It is not a de Polignac number, because 2321530153 - 2²⁹ = 1784659241 is a prime.

It is not a weakly prime, because it can be changed into another prime (2321530157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160765076 + 1160765077.

It is an arithmetic number, because the mean of its divisors is an integer number (1160765077).

Almost surely, 2^2321530153 is an apocalyptic number.

It is an amenable number.

2321530153 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321530153 is an equidigital number, since it uses as much as digits as its factorization.

2321530153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 2321530153 is about 48182.2597332255. The cubic root of 2321530153 is about 1324.1121671613.

Adding to 2321530153 its reverse (3510351232), we get a palindrome (5831881385).

The spelling of 2321530153 in words is "two billion, three hundred twenty-one million, five hundred thirty thousand, one hundred fifty-three".