144793123 has 2 divisors, whose sum is σ = 144793124. Its totient is φ = 144793122.

The previous prime is 144793111. The next prime is 144793141. The reversal of 144793123 is 321397441.

It is a weak prime.

It is an emirp because it is prime and its reverse (321397441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144793123 is a prime.

It is not a weakly prime, because it can be changed into another prime (144793153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72396561 + 72396562.

It is an arithmetic number, because the mean of its divisors is an integer number (72396562).

Almost surely, 2^144793123 is an apocalyptic number.

144793123 is a deficient number, since it is larger than the sum of its proper divisors (1).

144793123 is an equidigital number, since it uses as much as digits as its factorization.

144793123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The square root of 144793123 is about 12033.0014127814. The cubic root of 144793123 is about 525.1088185619.

Subtracting from 144793123 its sum of digits (34), we obtain a square (144793089 = 12033²).

The spelling of 144793123 in words is "one hundred forty-four million, seven hundred ninety-three thousand, one hundred twenty-three".