423044468437 has 2 divisors, whose sum is σ = 423044468438. Its totient is φ = 423044468436.

The previous prime is 423044468401. The next prime is 423044468491. The reversal of 423044468437 is 734864440324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 280046289636 + 142998178801 = 529194^2 + 378151^2 .

It is a cyclic number.

It is not a de Polignac number, because 423044468437 - 2⁷ = 423044468309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423044438437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211522234218 + 211522234219.

It is an arithmetic number, because the mean of its divisors is an integer number (211522234219).

Almost surely, 2^423044468437 is an apocalyptic number.

It is an amenable number.

423044468437 is a deficient number, since it is larger than the sum of its proper divisors (1).

423044468437 is an equidigital number, since it uses as much as digits as its factorization.

423044468437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6193152, while the sum is 49.

The spelling of 423044468437 in words is "four hundred twenty-three billion, forty-four million, four hundred sixty-eight thousand, four hundred thirty-seven".