1043223100 has 18 divisors (see below), whose sum is σ = 2263794344. Its totient is φ = 417289200.

The previous prime is 1043223089. The next prime is 1043223107. The reversal of 1043223100 is 13223401.

It is a happy number.

It is a super-2 number, since 2×1043223100² = 2176628872747220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043223107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5216016 + ... + 5216215.

Almost surely, 2^1043223100 is an apocalyptic number.

1043223100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043223100 is an abundant number, since it is smaller than the sum of its proper divisors (1220571244).

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

1043223100 is a wasteful number, since it uses less digits than its factorization.

1043223100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10432245 (or 10432238 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1043223100 is about 32298.9643796825. The cubic root of 1043223100 is about 1014.2049635792.

Adding to 1043223100 its reverse (13223401), we get a palindrome (1056446501).

The spelling of 1043223100 in words is "one billion, forty-three million, two hundred twenty-three thousand, one hundred".