144323311 has 4 divisors (see below), whose sum is σ = 157443624. Its totient is φ = 131203000.

The previous prime is 144323287. The next prime is 144323329. The reversal of 144323311 is 113323441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144323311 - 2⁹ = 144322799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144320311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6560140 + ... + 6560161.

It is an arithmetic number, because the mean of its divisors is an integer number (39360906).

Almost surely, 2^144323311 is an apocalyptic number.

144323311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

144323311 is a deficient number, since it is larger than the sum of its proper divisors (13120313).

144323311 is a wasteful number, since it uses less digits than its factorization.

144323311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13120312.

The product of its digits is 864, while the sum is 22.

The square root of 144323311 is about 12013.4637386559. The cubic root of 144323311 is about 524.5402608678.

Adding to 144323311 its reverse (113323441), we get a palindrome (257646752).

The spelling of 144323311 in words is "one hundred forty-four million, three hundred twenty-three thousand, three hundred eleven".