1045328423 has 4 divisors (see below), whose sum is σ = 1052344200. Its totient is φ = 1038312648.

The previous prime is 1045328413. The next prime is 1045328443. The reversal of 1045328423 is 3248235401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3248235401 = 35933 ⋅90397.

It is a cyclic number.

It is not a de Polignac number, because 1045328423 - 2⁶ = 1045328359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1045328423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045328413) 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 3 ways as a sum of consecutive naturals, for example, 3507665 + ... + 3507962.

It is an arithmetic number, because the mean of its divisors is an integer number (263086050).

Almost surely, 2^1045328423 is an apocalyptic number.

1045328423 is a deficient number, since it is larger than the sum of its proper divisors (7015777).

1045328423 is an equidigital number, since it uses as much as digits as its factorization.

1045328423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7015776.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 1045328423 is about 32331.5391375047. The cubic root of 1045328423 is about 1014.8867590264.

The spelling of 1045328423 in words is "one billion, forty-five million, three hundred twenty-eight thousand, four hundred twenty-three".