2103646263523 has 32 divisors (see below), whose sum is σ = 2446919774208. Its totient is φ = 1771253568000.

The previous prime is 2103646263487. The next prime is 2103646263611. The reversal of 2103646263523 is 3253626463012.

It is not a de Polignac number, because 2103646263523 - 2¹⁷ = 2103646132451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2103646263523.

It is not an unprimeable number, because it can be changed into a prime (2103646263223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318393286 + ... + 318399892.

It is an arithmetic number, because the mean of its divisors is an integer number (76466242944).

Almost surely, 2^{2103646263523} is an apocalyptic number.

2103646263523 is a deficient number, since it is larger than the sum of its proper divisors (343273510685).

2103646263523 is a wasteful number, since it uses less digits than its factorization.

2103646263523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8923.

The product of its (nonzero) digits is 933120, while the sum is 43.

The spelling of 2103646263523 in words is "two trillion, one hundred three billion, six hundred forty-six million, two hundred sixty-three thousand, five hundred twenty-three".