424232111 has 2 divisors, whose sum is σ = 424232112. Its totient is φ = 424232110.

The previous prime is 424232071. The next prime is 424232129. The reversal of 424232111 is 111232424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424232111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424232131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212116055 + 212116056.

It is an arithmetic number, because the mean of its divisors is an integer number (212116056).

Almost surely, 2^424232111 is an apocalyptic number.

424232111 is a deficient number, since it is larger than the sum of its proper divisors (1).

424232111 is an equidigital number, since it uses as much as digits as its factorization.

424232111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 20.

The square root of 424232111 is about 20596.8956641529. The cubic root of 424232111 is about 751.3942131388.

Adding to 424232111 its reverse (111232424), we get a palindrome (535464535).

The spelling of 424232111 in words is "four hundred twenty-four million, two hundred thirty-two thousand, one hundred eleven".