2530123245243 has 24 divisors (see below), whose sum is σ = 3986958006720. Its totient is φ = 1533370667760.

The previous prime is 2530123245217. The next prime is 2530123245271. The reversal of 2530123245243 is 3425423210352.

2530123245243 is a `hidden beast` number, since 2 + 5 + 3 + 0 + 123 + 2 + 4 + 524 + 3 = 666.

It is not a de Polignac number, because 2530123245243 - 2⁵ = 2530123245211 is a prime.

It is a super-2 number, since 2×2530123245243² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2530123245198 and 2530123245207.

It is not an unprimeable number, because it can be changed into a prime (2530123245203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4084480 + ... + 4662962.

It is an arithmetic number, because the mean of its divisors is an integer number (166123250280).

Almost surely, 2^{2530123245243} is an apocalyptic number.

2530123245243 is a deficient number, since it is larger than the sum of its proper divisors (1456834761477).

2530123245243 is a wasteful number, since it uses less digits than its factorization.

2530123245243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622679 (or 622676 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 2530123245243 its reverse (3425423210352), we get a palindrome (5955546455595).

The spelling of 2530123245243 in words is "two trillion, five hundred thirty billion, one hundred twenty-three million, two hundred forty-five thousand, two hundred forty-three".