142323515543420 has 24 divisors (see below), whose sum is σ = 299402814158448. Its totient is φ = 56829704976000.

The previous prime is 142323515543371. The next prime is 142323515543491. The reversal of 142323515543420 is 24345515323241.

It is a super-2 number, since 2×142323515543420² (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 (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6231315881 + ... + 6231338720.

It is an arithmetic number, because the mean of its divisors is an integer number (12475117256602).

Almost surely, 2^{142323515543420} is an apocalyptic number.

142323515543420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142323515543420 is an abundant number, since it is smaller than the sum of its proper divisors (157079298615028).

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

142323515543420 is a wasteful number, since it uses less digits than its factorization.

142323515543420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12462655181 (or 12462655179 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 44.

The spelling of 142323515543420 in words is "one hundred forty-two trillion, three hundred twenty-three billion, five hundred fifteen million, five hundred forty-three thousand, four hundred twenty".