423085039309 has 4 divisors (see below), whose sum is σ = 432086848704. Its totient is φ = 414083229916.

The previous prime is 423085039303. The next prime is 423085039393. The reversal of 423085039309 is 903930580324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 423085039309 - 2⁵ = 423085039277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423085039303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4500904627 + ... + 4500904720.

It is an arithmetic number, because the mean of its divisors is an integer number (108021712176).

Almost surely, 2^423085039309 is an apocalyptic number.

It is an amenable number.

423085039309 is a deficient number, since it is larger than the sum of its proper divisors (9001809395).

423085039309 is an equidigital number, since it uses as much as digits as its factorization.

423085039309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9001809394.

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 423085039309 in words is "four hundred twenty-three billion, eighty-five million, thirty-nine thousand, three hundred nine".