423540545044 has 12 divisors (see below), whose sum is σ = 741200773600. Its totient is φ = 211768895448.

The previous prime is 423540545041. The next prime is 423540545047. The reversal of 423540545044 is 440545045324.

It is an interprime number because it is at equal distance from previous prime (423540545041) and next prime (423540545047).

It is a junction number, because it is equal to n+sod(n) for n = 423540544988 and 423540545006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423540545041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699097 + ... + 1155775.

Almost surely, 2^423540545044 is an apocalyptic number.

It is an amenable number.

423540545044 is a deficient number, since it is larger than the sum of its proper divisors (317660228556).

423540545044 is a wasteful number, since it uses less digits than its factorization.

423540545044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688542 (or 688540 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 40.

The spelling of 423540545044 in words is "four hundred twenty-three billion, five hundred forty million, five hundred forty-five thousand, forty-four".