4023430010442 has 24 divisors (see below), whose sum is σ = 8781062582916. Its totient is φ = 1331353968576.

The previous prime is 4023430010419. The next prime is 4023430010519. The reversal of 4023430010442 is 2440100343204.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3759019114761 + 264410895681 = 1938819^2 + 514209^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 815778153 + ... + 815783084.

Almost surely, 2^{4023430010442} is an apocalyptic number.

4023430010442 is an abundant number, since it is smaller than the sum of its proper divisors (4757632572474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4023430010442 is a wasteful number, since it uses less digits than its factorization.

4023430010442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631561382 (or 1631561379 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 4023430010442 its reverse (2440100343204), we get a palindrome (6463530353646).

The spelling of 4023430010442 in words is "four trillion, twenty-three billion, four hundred thirty million, ten thousand, four hundred forty-two".