1040035423 has 4 divisors (see below), whose sum is σ = 1188611920. Its totient is φ = 891458928.

The previous prime is 1040035387. The next prime is 1040035427. The reversal of 1040035423 is 3245300401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3245300401 = 7 ⋅463614343.

It is a cyclic number.

It is not a de Polignac number, because 1040035423 - 2⁹ = 1040034911 is a prime.

It is a super-3 number, since 3×1040035423³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1040035394 and 1040035403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040035427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74288238 + ... + 74288251.

It is an arithmetic number, because the mean of its divisors is an integer number (297152980).

Almost surely, 2^1040035423 is an apocalyptic number.

1040035423 is a deficient number, since it is larger than the sum of its proper divisors (148576497).

1040035423 is an equidigital number, since it uses as much as digits as its factorization.

1040035423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148576496.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1040035423 is about 32249.5801988181. The cubic root of 1040035423 is about 1013.1709066209.

Adding to 1040035423 its reverse (3245300401), we get a palindrome (4285335824).

The spelling of 1040035423 in words is "one billion, forty million, thirty-five thousand, four hundred twenty-three".