1045023 has 12 divisors (see below), whose sum is σ = 1621080. Its totient is φ = 597072.

The previous prime is 1045021. The next prime is 1045027. The reversal of 1045023 is 3205401.

It is not a de Polignac number, because 1045023 - 2¹ = 1045021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1044993 and 1045011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3408 + ... + 3701.

It is an arithmetic number, because the mean of its divisors is an integer number (135090).

2^1045023 is an apocalyptic number.

1045023 is a deficient number, since it is larger than the sum of its proper divisors (576057).

1045023 is an equidigital number, since it uses as much as digits as its factorization.

1045023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7126 (or 7119 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1045023 is about 1022.2636646189. The cubic root of 1045023 is about 101.4787906536.

The spelling of 1045023 in words is "one million, forty-five thousand, twenty-three".