42234403 has 2 divisors, whose sum is σ = 42234404. Its totient is φ = 42234402.

The previous prime is 42234391. The next prime is 42234433. The reversal of 42234403 is 30443224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42234403 - 2²⁵ = 8679971 is a prime.

It is not a weakly prime, because it can be changed into another prime (42234433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21117201 + 21117202.

It is an arithmetic number, because the mean of its divisors is an integer number (21117202).

Almost surely, 2^42234403 is an apocalyptic number.

42234403 is a deficient number, since it is larger than the sum of its proper divisors (1).

42234403 is an equidigital number, since it uses as much as digits as its factorization.

42234403 is an evil number, because the sum of its binary digits is even.

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

The square root of 42234403 is about 6498.8001200222. The cubic root of 42234403 is about 348.2481247796.

Adding to 42234403 its reverse (30443224), we get a palindrome (72677627).

The spelling of 42234403 in words is "forty-two million, two hundred thirty-four thousand, four hundred three".