423341223442 has 8 divisors (see below), whose sum is σ = 635121092556. Its totient is φ = 211634192592.

The previous prime is 423341223353. The next prime is 423341223457. The reversal of 423341223442 is 244322143324.

It can be written as a sum of positive squares in 2 ways, for example, as 405347415561 + 17993807881 = 636669^2 + 134141^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 423341223398 and 423341223407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18195033 + ... + 18218284.

Almost surely, 2^423341223442 is an apocalyptic number.

423341223442 is a deficient number, since it is larger than the sum of its proper divisors (211779869114).

423341223442 is a wasteful number, since it uses less digits than its factorization.

423341223442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36419132.

The product of its digits is 110592, while the sum is 34.

Adding to 423341223442 its reverse (244322143324), we get a palindrome (667663366766).

The spelling of 423341223442 in words is "four hundred twenty-three billion, three hundred forty-one million, two hundred twenty-three thousand, four hundred forty-two".