144311230333421 has 4 divisors (see below), whose sum is σ = 144318951246144. Its totient is φ = 144303509420700.

The previous prime is 144311230333411. The next prime is 144311230333429. The reversal of 144311230333421 is 124333032113441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144311230333421 - 2³⁴ = 144294050464237 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 (144311230333429) 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, 3860428325 + ... + 3860465706.

It is an arithmetic number, because the mean of its divisors is an integer number (36079737811536).

Almost surely, 2^{144311230333421} is an apocalyptic number.

It is an amenable number.

144311230333421 is a deficient number, since it is larger than the sum of its proper divisors (7720912723).

144311230333421 is an equidigital number, since it uses as much as digits as its factorization.

144311230333421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7720912722.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 144311230333421 its reverse (124333032113441), we get a palindrome (268644262446862).

The spelling of 144311230333421 in words is "one hundred forty-four trillion, three hundred eleven billion, two hundred thirty million, three hundred thirty-three thousand, four hundred twenty-one".