1063423220 has 12 divisors (see below), whose sum is σ = 2233188804. Its totient is φ = 425369280.

The previous prime is 1063423213. The next prime is 1063423259. The reversal of 1063423220 is 223243601.

It can be written as a sum of positive squares in 2 ways, for example, as 595652836 + 467770384 = 24406^2 + 21628^2 .

It is a super-2 number, since 2×1063423220² = 2261737889670336800, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 26585561 + ... + 26585600.

It is an arithmetic number, because the mean of its divisors is an integer number (186099067).

Almost surely, 2^1063423220 is an apocalyptic number.

1063423220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1063423220 is an abundant number, since it is smaller than the sum of its proper divisors (1169765584).

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

1063423220 is a wasteful number, since it uses less digits than its factorization.

1063423220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53171170 (or 53171168 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1063423220 is about 32610.1704994009. The cubic root of 1063423220 is about 1020.7092401631.

Adding to 1063423220 its reverse (223243601), we get a palindrome (1286666821).

The spelling of 1063423220 in words is "one billion, sixty-three million, four hundred twenty-three thousand, two hundred twenty".