423153355447 has 2 divisors, whose sum is σ = 423153355448. Its totient is φ = 423153355446.

The previous prime is 423153355403. The next prime is 423153355511. The reversal of 423153355447 is 744553351324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423153355447 - 2¹⁵ = 423153322679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423153355397 and 423153355406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423153355147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211576677723 + 211576677724.

It is an arithmetic number, because the mean of its divisors is an integer number (211576677724).

Almost surely, 2^423153355447 is an apocalyptic number.

423153355447 is a deficient number, since it is larger than the sum of its proper divisors (1).

423153355447 is an equidigital number, since it uses as much as digits as its factorization.

423153355447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024000, while the sum is 46.

The spelling of 423153355447 in words is "four hundred twenty-three billion, one hundred fifty-three million, three hundred fifty-five thousand, four hundred forty-seven".