423072043 has 2 divisors, whose sum is σ = 423072044. Its totient is φ = 423072042.

The previous prime is 423072007. The next prime is 423072053. The reversal of 423072043 is 340270324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423072043 - 2¹⁷ = 422940971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423071999 and 423072017.

It is not a weakly prime, because it can be changed into another prime (423072053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211536021 + 211536022.

It is an arithmetic number, because the mean of its divisors is an integer number (211536022).

Almost surely, 2^423072043 is an apocalyptic number.

423072043 is a deficient number, since it is larger than the sum of its proper divisors (1).

423072043 is an equidigital number, since it uses as much as digits as its factorization.

423072043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 423072043 is about 20568.7151519000. The cubic root of 423072043 is about 750.7086889505.

The spelling of 423072043 in words is "four hundred twenty-three million, seventy-two thousand, forty-three".