1080203423 has 4 divisors (see below), whose sum is σ = 1163296008. Its totient is φ = 997110840.

The previous prime is 1080203351. The next prime is 1080203429. The reversal of 1080203423 is 3243020801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3243020801 = 823 ⋅3940487.

It is a cyclic number.

It is not a de Polignac number, because 1080203423 - 2⁸ = 1080203167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080203429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41546273 + ... + 41546298.

It is an arithmetic number, because the mean of its divisors is an integer number (290824002).

Almost surely, 2^1080203423 is an apocalyptic number.

1080203423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1080203423 is a deficient number, since it is larger than the sum of its proper divisors (83092585).

1080203423 is an equidigital number, since it uses as much as digits as its factorization.

1080203423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83092584.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1080203423 is about 32866.4482869689. The cubic root of 1080203423 is about 1026.0499803393.

The spelling of 1080203423 in words is "one billion, eighty million, two hundred three thousand, four hundred twenty-three".