142423122220202 has 16 divisors (see below), whose sum is σ = 215055416349312. Its totient is φ = 70738009462800.

The previous prime is 142423122220139. The next prime is 142423122220289. The reversal of 142423122220202 is 202022221324241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4487408 + ... + 17463764.

It is an arithmetic number, because the mean of its divisors is an integer number (13440963521832).

Almost surely, 2^{142423122220202} is an apocalyptic number.

142423122220202 is a deficient number, since it is larger than the sum of its proper divisors (72632294129110).

142423122220202 is a wasteful number, since it uses less digits than its factorization.

142423122220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13012853.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 142423122220202 its reverse (202022221324241), we get a palindrome (344445343544443).

The spelling of 142423122220202 in words is "one hundred forty-two trillion, four hundred twenty-three billion, one hundred twenty-two million, two hundred twenty thousand, two hundred two".