142402123323042 has 16 divisors (see below), whose sum is σ = 310695541795872. Its totient is φ = 43152158582720.

The previous prime is 142402123323017. The next prime is 142402123323079. The reversal of 142402123323042 is 240323321204241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 142402123322994 and 142402123323012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1078803964503 + ... + 1078803964634.

It is an arithmetic number, because the mean of its divisors is an integer number (19418471362242).

Almost surely, 2^{142402123323042} is an apocalyptic number.

142402123323042 is an abundant number, since it is smaller than the sum of its proper divisors (168293418472830).

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

142402123323042 is a wasteful number, since it uses less digits than its factorization.

142402123323042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157607929153.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 142402123323042 its reverse (240323321204241), we get a palindrome (382725444527283).

The spelling of 142402123323042 in words is "one hundred forty-two trillion, four hundred two billion, one hundred twenty-three million, three hundred twenty-three thousand, forty-two".