14543223253240 has 128 divisors (see below), whose sum is σ = 35798471147520. Its totient is φ = 5273418931200.

The previous prime is 14543223253189. The next prime is 14543223253271. The reversal of 14543223253240 is 4235232234541.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 14543223253193 and 14543223253202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1071948937 + ... + 1071962503.

It is an arithmetic number, because the mean of its divisors is an integer number (279675555840).

Almost surely, 2^{14543223253240} is an apocalyptic number.

14543223253240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14543223253240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17899235573760).

14543223253240 is an abundant number, since it is smaller than the sum of its proper divisors (21255247894280).

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

14543223253240 is a wasteful number, since it uses less digits than its factorization.

14543223253240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20333 (or 20329 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 14543223253240 its reverse (4235232234541), we get a palindrome (18778455487781).

The spelling of 14543223253240 in words is "fourteen trillion, five hundred forty-three billion, two hundred twenty-three million, two hundred fifty-three thousand, two hundred forty".