144400323 has 16 divisors (see below), whose sum is σ = 202953600. Its totient is φ = 91071360.

The previous prime is 144400273. The next prime is 144400337. The reversal of 144400323 is 323004441.

It is not a de Polignac number, because 144400323 - 2¹² = 144396227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144400323.

It is not an unprimeable number, because it can be changed into a prime (144400423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54043 + ... + 56651.

It is an arithmetic number, because the mean of its divisors is an integer number (12684600).

Almost surely, 2^144400323 is an apocalyptic number.

144400323 is a deficient number, since it is larger than the sum of its proper divisors (58553277).

144400323 is a wasteful number, since it uses less digits than its factorization.

144400323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3602.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 144400323 is about 12016.6685483124. The cubic root of 144400323 is about 524.6335438153.

Adding to 144400323 its reverse (323004441), we get a palindrome (467404764).

The spelling of 144400323 in words is "one hundred forty-four million, four hundred thousand, three hundred twenty-three".