1000423312 has 40 divisors (see below), whose sum is σ = 2217623936. Its totient is φ = 428288256.

The previous prime is 1000423309. The next prime is 1000423313. The reversal of 1000423312 is 2133240001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1000423313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111373 + ... + 120019.

Almost surely, 2^1000423312 is an apocalyptic number.

It is an amenable number.

1000423312 is an abundant number, since it is smaller than the sum of its proper divisors (1217200624).

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

1000423312 is a wasteful number, since it uses less digits than its factorization.

1000423312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9695 (or 9689 counting only the distinct ones).

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

The square root of 1000423312 is about 31629.4690439154. The cubic root of 1000423312 is about 1000.1410840943.

Adding to 1000423312 its reverse (2133240001), we get a palindrome (3133663313).

The spelling of 1000423312 in words is "one billion, four hundred twenty-three thousand, three hundred twelve".