42423210242 has 16 divisors (see below), whose sum is σ = 72729242880. Its totient is φ = 18180440928.

The previous prime is 42423210227. The next prime is 42423210257. The reversal of 42423210242 is 24201232424.

It is an interprime number because it is at equal distance from previous prime (42423210227) and next prime (42423210257).

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, 252359 + ... + 385397.

It is an arithmetic number, because the mean of its divisors is an integer number (4545577680).

Almost surely, 2^42423210242 is an apocalyptic number.

42423210242 is a deficient number, since it is larger than the sum of its proper divisors (30306032638).

42423210242 is a wasteful number, since it uses less digits than its factorization.

42423210242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155825.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 42423210242 its reverse (24201232424), we get a palindrome (66624442666).

The spelling of 42423210242 in words is "forty-two billion, four hundred twenty-three million, two hundred ten thousand, two hundred forty-two".