4124421443123 has 2 divisors, whose sum is σ = 4124421443124. Its totient is φ = 4124421443122.

The previous prime is 4124421443113. The next prime is 4124421443147. The reversal of 4124421443123 is 3213441244214.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4124421443123 - 2¹² = 4124421439027 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4124421443113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2062210721561 + 2062210721562.

It is an arithmetic number, because the mean of its divisors is an integer number (2062210721562).

Almost surely, 2^{4124421443123} is an apocalyptic number.

4124421443123 is a deficient number, since it is larger than the sum of its proper divisors (1).

4124421443123 is an equidigital number, since it uses as much as digits as its factorization.

4124421443123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 35.

Adding to 4124421443123 its reverse (3213441244214), we get a palindrome (7337862687337).

The spelling of 4124421443123 in words is "four trillion, one hundred twenty-four billion, four hundred twenty-one million, four hundred forty-three thousand, one hundred twenty-three".