2144723103 has 32 divisors (see below), whose sum is σ = 3226142400. Its totient is φ = 1425574080.

The previous prime is 2144723023. The next prime is 2144723117. The reversal of 2144723103 is 3013274412.

It is a happy number.

It is not a de Polignac number, because 2144723103 - 2²⁰ = 2143674527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144723123) 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, 849483 + ... + 852003.

It is an arithmetic number, because the mean of its divisors is an integer number (100816950).

Almost surely, 2^2144723103 is an apocalyptic number.

2144723103 is a deficient number, since it is larger than the sum of its proper divisors (1081419297).

2144723103 is an frugal number, since it uses more digits than its factorization.

2144723103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931 (or 2913 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 2144723103 is about 46311.1552760239. The cubic root of 2144723103 is about 1289.6060939014.

Adding to 2144723103 its reverse (3013274412), we get a palindrome (5157997515).

The spelling of 2144723103 in words is "two billion, one hundred forty-four million, seven hundred twenty-three thousand, one hundred three".