423335562561505 has 12 divisors (see below), whose sum is σ = 558383105660436. Its totient is φ = 307880409135200.

The previous prime is 423335562561473. The next prime is 423335562561533. The reversal of 423335562561505 is 505165265533324.

It can be written as a sum of positive squares in 2 ways, for example, as 134828488195489 + 288507074366016 = 11611567^2 + 16985496^2 .

It is not a de Polignac number, because 423335562561505 - 2⁵ = 423335562561473 is a prime.

It is a super-3 number, since 3×423335562561505³ (a number of 45 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 349864100686 + ... + 349864101895.

It is an arithmetic number, because the mean of its divisors is an integer number (46531925471703).

Almost surely, 2^{423335562561505} is an apocalyptic number.

It is an amenable number.

423335562561505 is a deficient number, since it is larger than the sum of its proper divisors (135047543098931).

423335562561505 is a wasteful number, since it uses less digits than its factorization.

423335562561505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699728202608 (or 699728202597 counting only the distinct ones).

The product of its (nonzero) digits is 48600000, while the sum is 55.

The spelling of 423335562561505 in words is "four hundred twenty-three trillion, three hundred thirty-five billion, five hundred sixty-two million, five hundred sixty-one thousand, five hundred five".