423345476905 has 32 divisors (see below), whose sum is σ = 549529795584. Its totient is φ = 311233069056.

The previous prime is 423345476867. The next prime is 423345476959. The reversal of 423345476905 is 509674543324.

It is a de Polignac number, because none of the positive numbers 2^k-423345476905 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34857264 + ... + 34869406.

It is an arithmetic number, because the mean of its divisors is an integer number (17172806112).

Almost surely, 2^423345476905 is an apocalyptic number.

It is an amenable number.

423345476905 is a deficient number, since it is larger than the sum of its proper divisors (126184318679).

423345476905 is a wasteful number, since it uses less digits than its factorization.

423345476905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14505.

The product of its (nonzero) digits is 10886400, while the sum is 52.

The spelling of 423345476905 in words is "four hundred twenty-three billion, three hundred forty-five million, four hundred seventy-six thousand, nine hundred five".