8642023000 has 64 divisors (see below), whose sum is σ = 21777930720. Its totient is φ = 3190896000.

The previous prime is 8642022959. The next prime is 8642023001. The reversal of 8642023000 is 3202468.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8642023001) 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, 319386 + ... + 345385.

Almost surely, 2^8642023000 is an apocalyptic number.

It is an amenable number.

8642023000 is an abundant number, since it is smaller than the sum of its proper divisors (13135907720).

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

8642023000 is a wasteful number, since it uses less digits than its factorization.

8642023000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664805 (or 664791 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 8642023000 is about 92962.4816794388. The cubic root of 8642023000 is about 2052.1312754280.

Adding to 8642023000 its reverse (3202468), we get a palindrome (8645225468).

The spelling of 8642023000 in words is "eight billion, six hundred forty-two million, twenty-three thousand".