423023051189 has 2 divisors, whose sum is σ = 423023051190. Its totient is φ = 423023051188.

The previous prime is 423023051111. The next prime is 423023051251. The reversal of 423023051189 is 981150320324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 291348414289 + 131674636900 = 539767^2 + 362870^2 .

It is a cyclic number.

It is not a de Polignac number, because 423023051189 - 2¹² = 423023047093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423023054189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211511525594 + 211511525595.

It is an arithmetic number, because the mean of its divisors is an integer number (211511525595).

Almost surely, 2^423023051189 is an apocalyptic number.

It is an amenable number.

423023051189 is a deficient number, since it is larger than the sum of its proper divisors (1).

423023051189 is an equidigital number, since it uses as much as digits as its factorization.

423023051189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 423023051189 in words is "four hundred twenty-three billion, twenty-three million, fifty-one thousand, one hundred eighty-nine".