42432403 has 8 divisors (see below), whose sum is σ = 45780896. Its totient is φ = 39096000.

The previous prime is 42432389. The next prime is 42432407. The reversal of 42432403 is 30423424.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42432403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42432407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5098 + ... + 10528.

It is an arithmetic number, because the mean of its divisors is an integer number (5722612).

Almost surely, 2^42432403 is an apocalyptic number.

42432403 is a deficient number, since it is larger than the sum of its proper divisors (3348493).

42432403 is a wasteful number, since it uses less digits than its factorization.

42432403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6045.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 42432403 is about 6514.0158888354. The cubic root of 42432403 is about 348.7914863525.

Adding to 42432403 its reverse (30423424), we get a palindrome (72855827).

The spelling of 42432403 in words is "forty-two million, four hundred thirty-two thousand, four hundred three".