1023299980 has 24 divisors (see below), whose sum is σ = 2194653888. Its totient is φ = 400610688.

The previous prime is 1023299917. The next prime is 1023300007. The reversal of 1023299980 is 899923201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543369 + ... + 545248.

It is an arithmetic number, because the mean of its divisors is an integer number (91443912).

Almost surely, 2^1023299980 is an apocalyptic number.

1023299980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023299980 is an abundant number, since it is smaller than the sum of its proper divisors (1171353908).

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

1023299980 is a wasteful number, since it uses less digits than its factorization.

1023299980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088673 (or 1088671 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 1023299980 is about 31989.0603175523. The cubic root of 1023299980 is about 1007.7071078885.

The spelling of 1023299980 in words is "one billion, twenty-three million, two hundred ninety-nine thousand, nine hundred eighty".