144723823 has 2 divisors, whose sum is σ = 144723824. Its totient is φ = 144723822.

The previous prime is 144723793. The next prime is 144723829. The reversal of 144723823 is 328327441.

144723823 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144723823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144723829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72361911 + 72361912.

It is an arithmetic number, because the mean of its divisors is an integer number (72361912).

Almost surely, 2^144723823 is an apocalyptic number.

144723823 is a deficient number, since it is larger than the sum of its proper divisors (1).

144723823 is an equidigital number, since it uses as much as digits as its factorization.

144723823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 34.

The square root of 144723823 is about 12030.1214873334. The cubic root of 144723823 is about 525.0250304015.

The spelling of 144723823 in words is "one hundred forty-four million, seven hundred twenty-three thousand, eight hundred twenty-three".