423524776770645 has 64 divisors (see below), whose sum is σ = 760844007290880. Its totient is φ = 199431469036800.

The previous prime is 423524776770637. The next prime is 423524776770647. The reversal of 423524776770645 is 546077677425324.

It is a happy number.

It is not a de Polignac number, because 423524776770645 - 2³ = 423524776770637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423524776770645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423524776770647) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 269008750 + ... + 270578559.

It is an arithmetic number, because the mean of its divisors is an integer number (11888187613920).

Almost surely, 2^{423524776770645} is an apocalyptic number.

It is an amenable number.

423524776770645 is a deficient number, since it is larger than the sum of its proper divisors (337319230520235).

423524776770645 is a wasteful number, since it uses less digits than its factorization.

423524776770645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539587466.

The product of its (nonzero) digits is 1659571200, while the sum is 69.

The spelling of 423524776770645 in words is "four hundred twenty-three trillion, five hundred twenty-four billion, seven hundred seventy-six million, seven hundred seventy thousand, six hundred forty-five".