5643231000 has 128 divisors (see below), whose sum is σ = 19207618560. Its totient is φ = 1368048000.

The previous prime is 5643230993. The next prime is 5643231031. The reversal of 5643231000 is 1323465.

It is a happy number.

It is a super-2 number, since 2×5643231000² = 63692112238722000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52504 + ... + 118503.

It is an arithmetic number, because the mean of its divisors is an integer number (150059520).

Almost surely, 2^5643231000 is an apocalyptic number.

5643231000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5643231000 is an abundant number, since it is smaller than the sum of its proper divisors (13564387560).

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

5643231000 is a wasteful number, since it uses less digits than its factorization.

5643231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171042 (or 171028 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 5643231000 is about 75121.4416794566. The cubic root of 5643231000 is about 1780.3659349493.

Adding to 5643231000 its reverse (1323465), we get a palindrome (5644554465).

The spelling of 5643231000 in words is "five billion, six hundred forty-three million, two hundred thirty-one thousand".