144311230023040 has 64 divisors (see below), whose sum is σ = 344995734240000. Its totient is φ = 57724207570944.

The previous prime is 144311230022977. The next prime is 144311230023067. The reversal of 144311230023040 is 40320032113441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×144311230023040² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170585416 + ... + 171429304.

It is an arithmetic number, because the mean of its divisors is an integer number (5390558347500).

Almost surely, 2^{144311230023040} is an apocalyptic number.

144311230023040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144311230023040 is an abundant number, since it is smaller than the sum of its proper divisors (200684504216960).

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

144311230023040 is an equidigital number, since it uses as much as digits as its factorization.

144311230023040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111107 (or 1111095 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 144311230023040 its reverse (40320032113441), we get a palindrome (184631262136481).

The spelling of 144311230023040 in words is "one hundred forty-four trillion, three hundred eleven billion, two hundred thirty million, twenty-three thousand, forty".