144140400423 has 8 divisors (see below), whose sum is σ = 213541334000. Its totient is φ = 96093600264.

The previous prime is 144140400379. The next prime is 144140400461. The reversal of 144140400423 is 324004041441.

It is not a de Polignac number, because 144140400423 - 2¹⁰ = 144140399399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 5338533349 = 144140400423 / (1 + 4 + 4 + 1 + 4 + 0 + 4 + 0 + 0 + 4 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144140400023) 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, 2669266648 + ... + 2669266701.

It is an arithmetic number, because the mean of its divisors is an integer number (26692666750).

Almost surely, 2^144140400423 is an apocalyptic number.

144140400423 is a deficient number, since it is larger than the sum of its proper divisors (69400933577).

144140400423 is an equidigital number, since it uses as much as digits as its factorization.

144140400423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5338533358 (or 5338533352 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 144140400423 its reverse (324004041441), we get a palindrome (468144441864).

The spelling of 144140400423 in words is "one hundred forty-four billion, one hundred forty million, four hundred thousand, four hundred twenty-three".