1023313810 has 48 divisors (see below), whose sum is σ = 2004907464. Its totient is φ = 374750208.

The previous prime is 1023313789. The next prime is 1023313843. The reversal of 1023313810 is 183133201.

It can be written as a sum of positive squares in 12 ways, for example, as 642166281 + 381147529 = 25341^2 + 19523^2 .

It is a super-2 number, since 2×1023313810² = 2094342307473432200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230532 + ... + 234928.

Almost surely, 2^1023313810 is an apocalyptic number.

1023313810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1023313810 is a deficient number, since it is larger than the sum of its proper divisors (981593654).

1023313810 is a wasteful number, since it uses less digits than its factorization.

1023313810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4495 (or 4458 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1023313810 is about 31989.2764844721. The cubic root of 1023313810 is about 1007.7116476217.

The spelling of 1023313810 in words is "one billion, twenty-three million, three hundred thirteen thousand, eight hundred ten".