1013403443 has 16 divisors (see below), whose sum is σ = 1103540256. Its totient is φ = 925067520.

The previous prime is 1013403427. The next prime is 1013403451. The reversal of 1013403443 is 3443043101.

It is not a de Polignac number, because 1013403443 - 2⁴ = 1013403427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1013403043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474488 + ... + 476618.

It is an arithmetic number, because the mean of its divisors is an integer number (68971266).

Almost surely, 2^1013403443 is an apocalyptic number.

1013403443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1013403443 is a deficient number, since it is larger than the sum of its proper divisors (90136813).

1013403443 is a wasteful number, since it uses less digits than its factorization.

1013403443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534.

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

The square root of 1013403443 is about 31833.9982251680. The cubic root of 1013403443 is about 1004.4480002926.

Adding to 1013403443 its reverse (3443043101), we get a palindrome (4456446544).

The spelling of 1013403443 in words is "one billion, thirteen million, four hundred three thousand, four hundred forty-three".