42403230425 has 24 divisors (see below), whose sum is σ = 53462536512. Its totient is φ = 33353640000.

The previous prime is 42403230421. The next prime is 42403230427. The reversal of 42403230425 is 52403230424.

It is a happy number.

It is not a de Polignac number, because 42403230425 - 2² = 42403230421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42403230421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6784652 + ... + 6790898.

It is an arithmetic number, because the mean of its divisors is an integer number (2227605688).

Almost surely, 2^42403230425 is an apocalyptic number.

It is an amenable number.

42403230425 is a deficient number, since it is larger than the sum of its proper divisors (11059306087).

42403230425 is a wasteful number, since it uses less digits than its factorization.

42403230425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10769 (or 10764 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 42403230425 its reverse (52403230424), we get a palindrome (94806460849).

Subtracting 42403230425 from its reverse (52403230424), we obtain a palindrome (9999999999).

The spelling of 42403230425 in words is "forty-two billion, four hundred three million, two hundred thirty thousand, four hundred twenty-five".