2143108268523 has 12 divisors (see below), whose sum is σ = 3096031648008. Its totient is φ = 1428540007680.

The previous prime is 2143108268443. The next prime is 2143108268569. The reversal of 2143108268523 is 3258628013412.

2143108268523 is a `hidden beast` number, since 2 + 1 + 43 + 1 + 0 + 82 + 6 + 8 + 523 = 666.

It is not a de Polignac number, because 2143108268523 - 2¹⁰ = 2143108267499 is a prime.

It is a super-2 number, since 2×2143108268523² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2143108268023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16501558 + ... + 16630923.

It is an arithmetic number, because the mean of its divisors is an integer number (258002637334).

Almost surely, 2^{2143108268523} is an apocalyptic number.

2143108268523 is a deficient number, since it is larger than the sum of its proper divisors (952923379485).

2143108268523 is a wasteful number, since it uses less digits than its factorization.

2143108268523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33139674 (or 33139671 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 2143108268523 in words is "two trillion, one hundred forty-three billion, one hundred eight million, two hundred sixty-eight thousand, five hundred twenty-three".