1040105423 has 8 divisors (see below), whose sum is σ = 1188949920. Its totient is φ = 891325440.

The previous prime is 1040105411. The next prime is 1040105491. The reversal of 1040105423 is 3245010401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1040105423 - 2⁸ = 1040105167 is a prime.

It is a super-3 number, since 3×1040105423³ (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 = 1040105395 and 1040105404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040108423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25643 + ... + 52323.

It is an arithmetic number, because the mean of its divisors is an integer number (148618740).

Almost surely, 2^1040105423 is an apocalyptic number.

1040105423 is a deficient number, since it is larger than the sum of its proper divisors (148844497).

1040105423 is an equidigital number, since it uses as much as digits as its factorization.

1040105423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32257.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1040105423 is about 32250.6654660024. The cubic root of 1040105423 is about 1013.1936367352.

Adding to 1040105423 its reverse (3245010401), we get a palindrome (4285115824).

The spelling of 1040105423 in words is "one billion, forty million, one hundred five thousand, four hundred twenty-three".