1044405023 has 2 divisors, whose sum is σ = 1044405024. Its totient is φ = 1044405022.

The previous prime is 1044405007. The next prime is 1044405029. The reversal of 1044405023 is 3205044401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1044405023 - 2⁴ = 1044405007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1044405023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1044405029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522202511 + 522202512.

It is an arithmetic number, because the mean of its divisors is an integer number (522202512).

Almost surely, 2^1044405023 is an apocalyptic number.

1044405023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044405023 is an equidigital number, since it uses as much as digits as its factorization.

1044405023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1044405023 is about 32317.2558086234. The cubic root of 1044405023 is about 1014.5878346266.

Adding to 1044405023 its reverse (3205044401), we get a palindrome (4249449424).

The spelling of 1044405023 in words is "one billion, forty-four million, four hundred five thousand, twenty-three".