2125423216523 has 8 divisors (see below), whose sum is σ = 2259438960720. Its totient is φ = 1993622608800.

The previous prime is 2125423216519. The next prime is 2125423216559. The reversal of 2125423216523 is 3256123245212.

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 2125423216523 - 2² = 2125423216519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2125422216523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553782140 + ... + 553785977.

It is an arithmetic number, because the mean of its divisors is an integer number (282429870090).

Almost surely, 2^{2125423216523} is an apocalyptic number.

2125423216523 is a deficient number, since it is larger than the sum of its proper divisors (134015744197).

2125423216523 is a wasteful number, since it uses less digits than its factorization.

2125423216523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107568237.

The product of its digits is 172800, while the sum is 38.

The spelling of 2125423216523 in words is "two trillion, one hundred twenty-five billion, four hundred twenty-three million, two hundred sixteen thousand, five hundred twenty-three".