142023323520 has 768 divisors, whose sum is σ = 541927713600. Its totient is φ = 34062336000.

The previous prime is 142023323501. The next prime is 142023323537. The reversal of 142023323520 is 25323320241.

142023323520 is a `hidden beast` number, since 1 + 420 + 2 + 3 + 3 + 235 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 673096215 + ... + 673096425.

Almost surely, 2^142023323520 is an apocalyptic number.

142023323520 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 142023323520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270963856800).

142023323520 is an abundant number, since it is smaller than the sum of its proper divisors (399904390080).

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

142023323520 is a wasteful number, since it uses less digits than its factorization.

142023323520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 142023323520 its reverse (25323320241), we get a palindrome (167346643761).

The spelling of 142023323520 in words is "one hundred forty-two billion, twenty-three million, three hundred twenty-three thousand, five hundred twenty".