2144756923 has 8 divisors (see below), whose sum is σ = 2238605568. Its totient is φ = 2050958184.

The previous prime is 2144756893. The next prime is 2144756963. The reversal of 2144756923 is 3296574412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2144756923 - 2¹⁷ = 2144625851 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 2144756923.

It is not an unprimeable number, because it can be changed into a prime (2144756963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95236 + ... + 115582.

It is an arithmetic number, because the mean of its divisors is an integer number (279825696).

Almost surely, 2^2144756923 is an apocalyptic number.

2144756923 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2144756923 is a deficient number, since it is larger than the sum of its proper divisors (93848645).

2144756923 is a wasteful number, since it uses less digits than its factorization.

2144756923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24953.

The product of its digits is 362880, while the sum is 43.

The square root of 2144756923 is about 46311.5204133917. The cubic root of 2144756923 is about 1289.6128724375.

The spelling of 2144756923 in words is "two billion, one hundred forty-four million, seven hundred fifty-six thousand, nine hundred twenty-three".