144648921231323 has 2 divisors, whose sum is σ = 144648921231324. Its totient is φ = 144648921231322.

The previous prime is 144648921231319. The next prime is 144648921231407. The reversal of 144648921231323 is 323132129846441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144648921231323 - 2² = 144648921231319 is a prime.

It is not a weakly prime, because it can be changed into another prime (144648921231623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72324460615661 + 72324460615662.

It is an arithmetic number, because the mean of its divisors is an integer number (72324460615662).

Almost surely, 2^{144648921231323} is an apocalyptic number.

144648921231323 is a deficient number, since it is larger than the sum of its proper divisors (1).

144648921231323 is an equidigital number, since it uses as much as digits as its factorization.

144648921231323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5971968, while the sum is 53.

The spelling of 144648921231323 in words is "one hundred forty-four trillion, six hundred forty-eight billion, nine hundred twenty-one million, two hundred thirty-one thousand, three hundred twenty-three".