2530591923 has 8 divisors (see below), whose sum is σ = 3374797968. Its totient is φ = 1686723584.

The previous prime is 2530591919. The next prime is 2530591957. The reversal of 2530591923 is 3291950352.

It is a happy number.

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 2530591923 - 2² = 2530591919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2530591963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66390 + ... + 97307.

It is an arithmetic number, because the mean of its divisors is an integer number (421849746).

Almost surely, 2^2530591923 is an apocalyptic number.

2530591923 is a deficient number, since it is larger than the sum of its proper divisors (844206045).

2530591923 is a wasteful number, since it uses less digits than its factorization.

2530591923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168853.

The product of its (nonzero) digits is 72900, while the sum is 39.

The square root of 2530591923 is about 50304.9890468132. The cubic root of 2530591923 is about 1362.7223301636.

The spelling of 2530591923 in words is "two billion, five hundred thirty million, five hundred ninety-one thousand, nine hundred twenty-three".