144394123 has 2 divisors, whose sum is σ = 144394124. Its totient is φ = 144394122.

The previous prime is 144394111. The next prime is 144394127. The reversal of 144394123 is 321493441.

144394123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (321493441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144394123 - 2²¹ = 142296971 is a prime.

It is not a weakly prime, because it can be changed into another prime (144394127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72197061 + 72197062.

It is an arithmetic number, because the mean of its divisors is an integer number (72197062).

Almost surely, 2^144394123 is an apocalyptic number.

144394123 is a deficient number, since it is larger than the sum of its proper divisors (1).

144394123 is an equidigital number, since it uses as much as digits as its factorization.

144394123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The square root of 144394123 is about 12016.4105705489. The cubic root of 144394123 is about 524.6260351189.

The spelling of 144394123 in words is "one hundred forty-four million, three hundred ninety-four thousand, one hundred twenty-three".