423504269443 has 2 divisors, whose sum is σ = 423504269444. Its totient is φ = 423504269442.

The previous prime is 423504269389. The next prime is 423504269491. The reversal of 423504269443 is 344962405324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423504269443 - 2¹³ = 423504261251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423504269393 and 423504269402.

It is not a weakly prime, because it can be changed into another prime (423504269743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211752134721 + 211752134722.

It is an arithmetic number, because the mean of its divisors is an integer number (211752134722).

Almost surely, 2^423504269443 is an apocalyptic number.

423504269443 is a deficient number, since it is larger than the sum of its proper divisors (1).

423504269443 is an equidigital number, since it uses as much as digits as its factorization.

423504269443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 46.

The spelling of 423504269443 in words is "four hundred twenty-three billion, five hundred four million, two hundred sixty-nine thousand, four hundred forty-three".