142623020 has 24 divisors (see below), whose sum is σ = 303614304. Its totient is φ = 56267136.

The previous prime is 142623017. The next prime is 142623031. The reversal of 142623020 is 20326241.

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 = 142622983 and 142623001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47384 + ... + 50303.

It is an arithmetic number, because the mean of its divisors is an integer number (12650596).

Almost surely, 2^142623020 is an apocalyptic number.

142623020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142623020 is an abundant number, since it is smaller than the sum of its proper divisors (160991284).

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

142623020 is a wasteful number, since it uses less digits than its factorization.

142623020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97769 (or 97767 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 142623020 is about 11942.4880154849. The cubic root of 142623020 is about 522.4722267237.

Adding to 142623020 its reverse (20326241), we get a palindrome (162949261).

The spelling of 142623020 in words is "one hundred forty-two million, six hundred twenty-three thousand, twenty".