423698539 has 8 divisors (see below), whose sum is σ = 464986368. Its totient is φ = 382872360.

The previous prime is 423698491. The next prime is 423698557. The reversal of 423698539 is 935896324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423698539 - 2⁹ = 423698027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423698492 and 423698501.

It is not an unprimeable number, because it can be changed into a prime (423698579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113487 + ... + 117160.

It is an arithmetic number, because the mean of its divisors is an integer number (58123296).

Almost surely, 2^423698539 is an apocalyptic number.

423698539 is a deficient number, since it is larger than the sum of its proper divisors (41287829).

423698539 is a wasteful number, since it uses less digits than its factorization.

423698539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230825.

The product of its digits is 1399680, while the sum is 49.

The square root of 423698539 is about 20583.9388601890. The cubic root of 423698539 is about 751.0790624581.

The spelling of 423698539 in words is "four hundred twenty-three million, six hundred ninety-eight thousand, five hundred thirty-nine".