2142723803 has 24 divisors (see below), whose sum is σ = 2513813616. Its totient is φ = 1810411200.

The previous prime is 2142723799. The next prime is 2142723829. The reversal of 2142723803 is 3083272412.

It is not a de Polignac number, because 2142723803 - 2² = 2142723799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2142723803.

It is not an unprimeable number, because it can be changed into a prime (2142723833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 205373 + ... + 215553.

It is an arithmetic number, because the mean of its divisors is an integer number (104742234).

Almost surely, 2^2142723803 is an apocalyptic number.

2142723803 is a deficient number, since it is larger than the sum of its proper divisors (371089813).

2142723803 is a wasteful number, since it uses less digits than its factorization.

2142723803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10283 (or 10264 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 2142723803 is about 46289.5647311573. The cubic root of 2142723803 is about 1289.2052478998.

The spelling of 2142723803 in words is "two billion, one hundred forty-two million, seven hundred twenty-three thousand, eight hundred three".