144398923 has 2 divisors, whose sum is σ = 144398924. Its totient is φ = 144398922.

The previous prime is 144398911. The next prime is 144398941. The reversal of 144398923 is 329893441.

144398923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (329893441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144398923 - 2¹³ = 144390731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144398923.

It is not a weakly prime, because it can be changed into another prime (144398963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72199461 + 72199462.

It is an arithmetic number, because the mean of its divisors is an integer number (72199462).

Almost surely, 2^144398923 is an apocalyptic number.

144398923 is a deficient number, since it is larger than the sum of its proper divisors (1).

144398923 is an equidigital number, since it uses as much as digits as its factorization.

144398923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 43.

The square root of 144398923 is about 12016.6102957531. The cubic root of 144398923 is about 524.6318483220.

The spelling of 144398923 in words is "one hundred forty-four million, three hundred ninety-eight thousand, nine hundred twenty-three".