2124201545523 has 6 divisors (see below), whose sum is σ = 3068291121324. Its totient is φ = 1416134363676.

The previous prime is 2124201545507. The next prime is 2124201545527. The reversal of 2124201545523 is 3255451024212.

2124201545523 is a `hidden beast` number, since 2 + 12 + 42 + 0 + 1 + 54 + 552 + 3 = 666.

It is not a de Polignac number, because 2124201545523 - 2⁴ = 2124201545507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2124201545527) 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 5 ways as a sum of consecutive naturals, for example, 118011196965 + ... + 118011196982.

It is an arithmetic number, because the mean of its divisors is an integer number (511381853554).

Almost surely, 2^{2124201545523} is an apocalyptic number.

2124201545523 is a deficient number, since it is larger than the sum of its proper divisors (944089575801).

2124201545523 is a wasteful number, since it uses less digits than its factorization.

2124201545523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236022393953 (or 236022393950 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 2124201545523 its reverse (3255451024212), we get a palindrome (5379652569735).

The spelling of 2124201545523 in words is "two trillion, one hundred twenty-four billion, two hundred one million, five hundred forty-five thousand, five hundred twenty-three".