1043003413403 has 12 divisors (see below), whose sum is σ = 1213325642232. Its totient is φ = 893976431040.

The previous prime is 1043003413399. The next prime is 1043003413409. The reversal of 1043003413403 is 3043143003401.

It is a happy number.

It is not a de Polignac number, because 1043003413403 - 2² = 1043003413399 is a prime.

It is a super-2 number, since 2×1043003413403² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043003413409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1455251 + ... + 2050307.

It is an arithmetic number, because the mean of its divisors is an integer number (101110470186).

Almost surely, 2^{1043003413403} is an apocalyptic number.

1043003413403 is a deficient number, since it is larger than the sum of its proper divisors (170322228829).

1043003413403 is an equidigital number, since it uses as much as digits as its factorization.

1043003413403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630842 (or 630835 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1043003413403 its reverse (3043143003401), we get a palindrome (4086146416804).

The spelling of 1043003413403 in words is "one trillion, forty-three billion, three million, four hundred thirteen thousand, four hundred three".