12025530523 has 2 divisors, whose sum is σ = 12025530524. Its totient is φ = 12025530522.

The previous prime is 12025530493. The next prime is 12025530529. The reversal of 12025530523 is 32503552021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12025530523 is a prime.

It is a super-2 number, since 2×12025530523² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12025530491 and 12025530500.

It is not a weakly prime, because it can be changed into another prime (12025530529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6012765261 + 6012765262.

It is an arithmetic number, because the mean of its divisors is an integer number (6012765262).

Almost surely, 2^12025530523 is an apocalyptic number.

12025530523 is a deficient number, since it is larger than the sum of its proper divisors (1).

12025530523 is an equidigital number, since it uses as much as digits as its factorization.

12025530523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 12025530523 in words is "twelve billion, twenty-five million, five hundred thirty thousand, five hundred twenty-three".