1023413443 has 4 divisors (see below), whose sum is σ = 1102137568. Its totient is φ = 944689320.

The previous prime is 1023413441. The next prime is 1023413471. The reversal of 1023413443 is 3443143201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1023413443 - 2¹ = 1023413441 is a prime.

It is a super-2 number, since 2×1023413443² = 2094750150626228498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023413441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39362043 + ... + 39362068.

It is an arithmetic number, because the mean of its divisors is an integer number (275534392).

Almost surely, 2^1023413443 is an apocalyptic number.

1023413443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1023413443 is a deficient number, since it is larger than the sum of its proper divisors (78724125).

1023413443 is an equidigital number, since it uses as much as digits as its factorization.

1023413443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78724124.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1023413443 is about 31990.8337340558. The cubic root of 1023413443 is about 1007.7443512020.

Adding to 1023413443 its reverse (3443143201), we get a palindrome (4466556644).

The spelling of 1023413443 in words is "one billion, twenty-three million, four hundred thirteen thousand, four hundred forty-three".