142423022243 has 8 divisors (see below), whose sum is σ = 145584509760. Its totient is φ = 139267001920.

The previous prime is 142423022239. The next prime is 142423022309. The reversal of 142423022243 is 342220324241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142423022243 - 2² = 142423022239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142423022743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1314098 + ... + 1418343.

It is an arithmetic number, because the mean of its divisors is an integer number (18198063720).

Almost surely, 2^142423022243 is an apocalyptic number.

142423022243 is a deficient number, since it is larger than the sum of its proper divisors (3161487517).

142423022243 is a wasteful number, since it uses less digits than its factorization.

142423022243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733597.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 142423022243 its reverse (342220324241), we get a palindrome (484643346484).

The spelling of 142423022243 in words is "one hundred forty-two billion, four hundred twenty-three million, twenty-two thousand, two hundred forty-three".