142323515543220 has 384 divisors, whose sum is σ = 458939989186560. Its totient is φ = 32592117381120.

The previous prime is 142323515543213. The next prime is 142323515543233. The reversal of 142323515543220 is 22345515323241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 23512885714 + ... + 23512891766.

It is an arithmetic number, because the mean of its divisors is an integer number (1195156221840).

Almost surely, 2^{142323515543220} is an apocalyptic number.

142323515543220 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 142323515543220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229469994593280).

142323515543220 is an abundant number, since it is smaller than the sum of its proper divisors (316616473643340).

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

142323515543220 is a wasteful number, since it uses less digits than its factorization.

142323515543220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11215 (or 11213 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 142323515543220 in words is "one hundred forty-two trillion, three hundred twenty-three billion, five hundred fifteen million, five hundred forty-three thousand, two hundred twenty".