423682658357705 has 4 divisors (see below), whose sum is σ = 508419190029252. Its totient is φ = 338946126686160.

The previous prime is 423682658357687. The next prime is 423682658357743. The reversal of 423682658357705 is 507753856286324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 220239134287936 + 203443524069769 = 14840456^2 + 14263363^2 .

It is not a de Polignac number, because 423682658357705 - 2¹² = 423682658353609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42368265835766 + ... + 42368265835775.

It is an arithmetic number, because the mean of its divisors is an integer number (127104797507313).

Almost surely, 2^{423682658357705} is an apocalyptic number.

It is an amenable number.

423682658357705 is a deficient number, since it is larger than the sum of its proper divisors (84736531671547).

423682658357705 is an equidigital number, since it uses as much as digits as its factorization.

423682658357705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84736531671546.

The product of its (nonzero) digits is 2032128000, while the sum is 71.

The spelling of 423682658357705 in words is "four hundred twenty-three trillion, six hundred eighty-two billion, six hundred fifty-eight million, three hundred fifty-seven thousand, seven hundred five".