1403120423 has 8 divisors (see below), whose sum is σ = 1420158768. Its totient is φ = 1386134784.

The previous prime is 1403120413. The next prime is 1403120431. The reversal of 1403120423 is 3240213041.

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 1403120423 - 2¹⁸ = 1402858279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1403120395 and 1403120404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403120413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41765 + ... + 67457.

It is an arithmetic number, because the mean of its divisors is an integer number (177519846).

Almost surely, 2^1403120423 is an apocalyptic number.

1403120423 is a deficient number, since it is larger than the sum of its proper divisors (17038345).

1403120423 is an equidigital number, since it uses as much as digits as its factorization.

1403120423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26353.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1403120423 is about 37458.2490647921. The cubic root of 1403120423 is about 1119.5194640831.

Adding to 1403120423 its reverse (3240213041), we get a palindrome (4643333464).

The spelling of 1403120423 in words is "one billion, four hundred three million, one hundred twenty thousand, four hundred twenty-three".