1232423220242 has 8 divisors (see below), whose sum is σ = 1851365459916. Its totient is φ = 615301400272.

The previous prime is 1232423220229. The next prime is 1232423220251. The reversal of 1232423220242 is 2420223242321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 845239358161 + 387183862081 = 919369^2 + 622241^2 .

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

It is a super-2 number, since 2×1232423220242² (a number of 25 digits) contains 22 as substring.

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, 455103233 + ... + 455105940.

Almost surely, 2^{1232423220242} is an apocalyptic number.

1232423220242 is a deficient number, since it is larger than the sum of its proper divisors (618942239674).

1232423220242 is an equidigital number, since it uses as much as digits as its factorization.

1232423220242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910209852.

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

Adding to 1232423220242 its reverse (2420223242321), we get a palindrome (3652646462563).

The spelling of 1232423220242 in words is "one trillion, two hundred thirty-two billion, four hundred twenty-three million, two hundred twenty thousand, two hundred forty-two".