423455065 has 16 divisors (see below), whose sum is σ = 555036480. Its totient is φ = 307581120.

The previous prime is 423455063. The next prime is 423455069. The reversal of 423455065 is 560554324.

It is not a de Polignac number, because 423455065 - 2¹ = 423455063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423455065.

It is not an unprimeable number, because it can be changed into a prime (423455063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43846 + ... + 52624.

It is an arithmetic number, because the mean of its divisors is an integer number (34689780).

Almost surely, 2^423455065 is an apocalyptic number.

It is an amenable number.

423455065 is a deficient number, since it is larger than the sum of its proper divisors (131581415).

423455065 is a wasteful number, since it uses less digits than its factorization.

423455065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9672.

The product of its (nonzero) digits is 72000, while the sum is 34.

The square root of 423455065 is about 20578.0238361219. The cubic root of 423455065 is about 750.9351682772.

The spelling of 423455065 in words is "four hundred twenty-three million, four hundred fifty-five thousand, sixty-five".