142423212042 has 24 divisors (see below), whose sum is σ = 308895050880. Its totient is φ = 47426492520.

The previous prime is 142423212011. The next prime is 142423212049. The reversal of 142423212042 is 240212324241.

It is a happy number.

142423212042 is a `hidden beast` number, since 1 + 424 + 2 + 32 + 1 + 204 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 142423211997 and 142423212015.

It is not an unprimeable number, because it can be changed into a prime (142423212049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3974292 + ... + 4009967.

It is an arithmetic number, because the mean of its divisors is an integer number (12870627120).

Almost surely, 2^142423212042 is an apocalyptic number.

142423212042 is an abundant number, since it is smaller than the sum of its proper divisors (166471838838).

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

142423212042 is a wasteful number, since it uses less digits than its factorization.

142423212042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7985258 (or 7985255 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 142423212042 its reverse (240212324241), we get a palindrome (382635536283).

The spelling of 142423212042 in words is "one hundred forty-two billion, four hundred twenty-three million, two hundred twelve thousand, forty-two".