423780712585 has 8 divisors (see below), whose sum is σ = 508540587336. Its totient is φ = 339022081920.

The previous prime is 423780712571. The next prime is 423780712613. The reversal of 423780712585 is 585217087324.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1966833801 + 421813878784 = 44349^2 + 649472^2 .

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

It is not a de Polignac number, because 423780712585 - 2⁷ = 423780712457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797677 + ... + 1218133.

It is an arithmetic number, because the mean of its divisors is an integer number (63567573417).

Almost surely, 2^423780712585 is an apocalyptic number.

It is an amenable number.

423780712585 is a deficient number, since it is larger than the sum of its proper divisors (84759874751).

423780712585 is a wasteful number, since it uses less digits than its factorization.

423780712585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622043.

The product of its (nonzero) digits is 3763200, while the sum is 52.

The spelling of 423780712585 in words is "four hundred twenty-three billion, seven hundred eighty million, seven hundred twelve thousand, five hundred eighty-five".