2321530154 has 8 divisors (see below), whose sum is σ = 3484480548. Its totient is φ = 1160036640.

The previous prime is 2321530153. The next prime is 2321530157. The reversal of 2321530154 is 4510351232.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2178368929 + 143161225 = 46673^2 + 11965^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2321530153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360227 + ... + 366614.

Almost surely, 2^2321530154 is an apocalyptic number.

2321530154 is a deficient number, since it is larger than the sum of its proper divisors (1162950394).

2321530154 is a wasteful number, since it uses less digits than its factorization.

2321530154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728440.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2321530154 is about 48182.2597436027. The cubic root of 2321530154 is about 1324.1121673514.

Adding to 2321530154 its reverse (4510351232), we get a palindrome (6831881386).

The spelling of 2321530154 in words is "two billion, three hundred twenty-one million, five hundred thirty thousand, one hundred fifty-four".