144123320 has 32 divisors (see below), whose sum is σ = 353758320. Its totient is φ = 52408320.

The previous prime is 144123311. The next prime is 144123347. The reversal of 144123320 is 23321441.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 144123292 and 144123301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163337 + ... + 164216.

Almost surely, 2^144123320 is an apocalyptic number.

144123320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144123320 is an abundant number, since it is smaller than the sum of its proper divisors (209635000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144123320 is a wasteful number, since it uses less digits than its factorization.

144123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327575 (or 327571 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 144123320 is about 12005.1372337012. The cubic root of 144123320 is about 524.2978610704.

Adding to 144123320 its reverse (23321441), we get a palindrome (167444761).

The spelling of 144123320 in words is "one hundred forty-four million, one hundred twenty-three thousand, three hundred twenty".