2103553143 has 24 divisors (see below), whose sum is σ = 3139244160. Its totient is φ = 1355935680.

The previous prime is 2103553141. The next prime is 2103553169. The reversal of 2103553143 is 3413553012.

2103553143 is a `hidden beast` number, since 2 + 103 + 553 + 1 + 4 + 3 = 666.

It is not a de Polignac number, because 2103553143 - 2¹ = 2103553141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103553141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 402793 + ... + 407981.

It is an arithmetic number, because the mean of its divisors is an integer number (130801840).

Almost surely, 2^2103553143 is an apocalyptic number.

2103553143 is a deficient number, since it is larger than the sum of its proper divisors (1035691017).

2103553143 is a wasteful number, since it uses less digits than its factorization.

2103553143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6679 (or 6676 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 2103553143 is about 45864.5085332875. The cubic root of 2103553143 is about 1281.3009930988.

The spelling of 2103553143 in words is "two billion, one hundred three million, five hundred fifty-three thousand, one hundred forty-three".