142323412404020 has 24 divisors (see below), whose sum is σ = 298880618513064. Its totient is φ = 56929088301696.

The previous prime is 142323412404011. The next prime is 142323412404113. The reversal of 142323412404020 is 20404214323241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34679425877776 + 107643986526244 = 5888924^2 + 10375162^2 .

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, 13047479 + ... + 21327998.

It is an arithmetic number, because the mean of its divisors is an integer number (12453359104711).

Almost surely, 2^{142323412404020} is an apocalyptic number.

142323412404020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142323412404020 is an abundant number, since it is smaller than the sum of its proper divisors (156557206109044).

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

142323412404020 is a wasteful number, since it uses less digits than its factorization.

142323412404020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34582499 (or 34582497 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 142323412404020 its reverse (20404214323241), we get a palindrome (162727626727261).

The spelling of 142323412404020 in words is "one hundred forty-two trillion, three hundred twenty-three billion, four hundred twelve million, four hundred four thousand, twenty".