423516351242 has 16 divisors (see below), whose sum is σ = 655888299264. Its totient is φ = 204889440000.

The previous prime is 423516351233. The next prime is 423516351319. The reversal of 423516351242 is 242153615324.

It is a super-2 number, since 2×423516351242² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423516351196 and 423516351205.

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, 290384 + ... + 965067.

It is an arithmetic number, because the mean of its divisors is an integer number (40993018704).

Almost surely, 2^423516351242 is an apocalyptic number.

423516351242 is a deficient number, since it is larger than the sum of its proper divisors (232371948022).

423516351242 is a wasteful number, since it uses less digits than its factorization.

423516351242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260925.

The product of its digits is 172800, while the sum is 38.

Adding to 423516351242 its reverse (242153615324), we get a palindrome (665669966566).

The spelling of 423516351242 in words is "four hundred twenty-three billion, five hundred sixteen million, three hundred fifty-one thousand, two hundred forty-two".