8423663068044 has 72 divisors (see below), whose sum is σ = 24490026925728. Its totient is φ = 2391431178240.

The previous prime is 8423663068039. The next prime is 8423663068081. The reversal of 8423663068044 is 4408603663248.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106416597 + ... + 106495724.

Almost surely, 2^{8423663068044} is an apocalyptic number.

8423663068044 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

8423663068044 is an abundant number, since it is smaller than the sum of its proper divisors (16066363857684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8423663068044 is a wasteful number, since it uses less digits than its factorization.

8423663068044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212912495 (or 212912490 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 54.

The spelling of 8423663068044 in words is "eight trillion, four hundred twenty-three billion, six hundred sixty-three million, sixty-eight thousand, forty-four".