142423000220 has 24 divisors (see below), whose sum is σ = 314829790800. Its totient is φ = 53970820992.

The previous prime is 142423000217. The next prime is 142423000259. The reversal of 142423000220 is 22000324241.

It is a super-2 number, since 2×142423000220² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 142423000192 and 142423000201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187398305 + ... + 187399064.

It is an arithmetic number, because the mean of its divisors is an integer number (13117907950).

Almost surely, 2^142423000220 is an apocalyptic number.

142423000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142423000220 is an abundant number, since it is smaller than the sum of its proper divisors (172406790580).

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

142423000220 is a wasteful number, since it uses less digits than its factorization.

142423000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374797397 (or 374797395 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 142423000220 its reverse (22000324241), we get a palindrome (164423324461).

The spelling of 142423000220 in words is "one hundred forty-two billion, four hundred twenty-three million, two hundred twenty", and thus it is an aban number.