42234503 has 2 divisors, whose sum is σ = 42234504. Its totient is φ = 42234502.

The previous prime is 42234499. The next prime is 42234539. The reversal of 42234503 is 30543224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42234503 - 2² = 42234499 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42234593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21117251 + 21117252.

It is an arithmetic number, because the mean of its divisors is an integer number (21117252).

Almost surely, 2^42234503 is an apocalyptic number.

42234503 is a deficient number, since it is larger than the sum of its proper divisors (1).

42234503 is an equidigital number, since it uses as much as digits as its factorization.

42234503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 42234503 is about 6498.8078137455. The cubic root of 42234503 is about 348.2483996328.

Adding to 42234503 its reverse (30543224), we get a palindrome (72777727).

The spelling of 42234503 in words is "forty-two million, two hundred thirty-four thousand, five hundred three".