423644061041 has 2 divisors, whose sum is σ = 423644061042. Its totient is φ = 423644061040.

The previous prime is 423644060993. The next prime is 423644061077. The reversal of 423644061041 is 140160446324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241375690000 + 182268371041 = 491300^2 + 426929^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423644061041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423644060992 and 423644061010.

It is not a weakly prime, because it can be changed into another prime (423644061091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211822030520 + 211822030521.

It is an arithmetic number, because the mean of its divisors is an integer number (211822030521).

Almost surely, 2^423644061041 is an apocalyptic number.

It is an amenable number.

423644061041 is a deficient number, since it is larger than the sum of its proper divisors (1).

423644061041 is an equidigital number, since it uses as much as digits as its factorization.

423644061041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 423644061041 in words is "four hundred twenty-three billion, six hundred forty-four million, sixty-one thousand, forty-one".