506923423 has 2 divisors, whose sum is σ = 506923424. Its totient is φ = 506923422.

The previous prime is 506923387. The next prime is 506923463. The reversal of 506923423 is 324329605.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506923423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506923463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253461711 + 253461712.

It is an arithmetic number, because the mean of its divisors is an integer number (253461712).

Almost surely, 2^506923423 is an apocalyptic number.

506923423 is a deficient number, since it is larger than the sum of its proper divisors (1).

506923423 is an equidigital number, since it uses as much as digits as its factorization.

506923423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 506923423 is about 22514.9599821985. The cubic root of 506923423 is about 797.3471622678.

The spelling of 506923423 in words is "five hundred six million, nine hundred twenty-three thousand, four hundred twenty-three".