1003442423 has 4 divisors (see below), whose sum is σ = 1003970520. Its totient is φ = 1002914328.

The previous prime is 1003442417. The next prime is 1003442431. The reversal of 1003442423 is 3242443001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3242443001 = 7 ⋅463206143.

It is a cyclic number.

It is not a de Polignac number, because 1003442423 - 2⁶ = 1003442359 is a prime.

It is a super-2 number, since 2×1003442423² = 2013793392552221858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003442443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261188 + ... + 265001.

It is an arithmetic number, because the mean of its divisors is an integer number (250992630).

Almost surely, 2^1003442423 is an apocalyptic number.

1003442423 is a deficient number, since it is larger than the sum of its proper divisors (528097).

1003442423 is an equidigital number, since it uses as much as digits as its factorization.

1003442423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528096.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1003442423 is about 31677.1593265558. The cubic root of 1003442423 is about 1001.1461601484.

Adding to 1003442423 its reverse (3242443001), we get a palindrome (4245885424).

The spelling of 1003442423 in words is "one billion, three million, four hundred forty-two thousand, four hundred twenty-three".