144221123 has 8 divisors (see below), whose sum is σ = 145518000. Its totient is φ = 142928928.

The previous prime is 144221117. The next prime is 144221131. The reversal of 144221123 is 321122441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144221123 - 2⁴ = 144221107 is a prime.

It is a super-2 number, since 2×144221123² = 41599464638762258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144221095 and 144221104.

It is not an unprimeable number, because it can be changed into a prime (144221173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90548 + ... + 92126.

It is an arithmetic number, because the mean of its divisors is an integer number (18189750).

Almost surely, 2^144221123 is an apocalyptic number.

144221123 is a deficient number, since it is larger than the sum of its proper divisors (1296877).

144221123 is a wasteful number, since it uses less digits than its factorization.

144221123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341.

The product of its digits is 384, while the sum is 20.

The square root of 144221123 is about 12009.2099240541. The cubic root of 144221123 is about 524.4164315394.

Adding to 144221123 its reverse (321122441), we get a palindrome (465343564).

The spelling of 144221123 in words is "one hundred forty-four million, two hundred twenty-one thousand, one hundred twenty-three".