143123612222420 has 24 divisors (see below), whose sum is σ = 300561049477248. Its totient is φ = 57249166068000.

The previous prime is 143123612222303. The next prime is 143123612222431. The reversal of 143123612222420 is 24222216321341.

It is a super-2 number, since 2×143123612222420² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13192016 + ... + 21454055.

It is an arithmetic number, because the mean of its divisors is an integer number (12523377061552).

Almost surely, 2^{143123612222420} is an apocalyptic number.

143123612222420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143123612222420 is an abundant number, since it is smaller than the sum of its proper divisors (157437437254828).

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

143123612222420 is a wasteful number, since it uses less digits than its factorization.

143123612222420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34852631 (or 34852629 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 143123612222420 its reverse (24222216321341), we get a palindrome (167345828543761).

The spelling of 143123612222420 in words is "one hundred forty-three trillion, one hundred twenty-three billion, six hundred twelve million, two hundred twenty-two thousand, four hundred twenty".