445305023 has 2 divisors, whose sum is σ = 445305024. Its totient is φ = 445305022.

The previous prime is 445305017. The next prime is 445305031. The reversal of 445305023 is 320503544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445305023 - 2¹² = 445300927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445304983 and 445305001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445305013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222652511 + 222652512.

It is an arithmetic number, because the mean of its divisors is an integer number (222652512).

Almost surely, 2^445305023 is an apocalyptic number.

445305023 is a deficient number, since it is larger than the sum of its proper divisors (1).

445305023 is an equidigital number, since it uses as much as digits as its factorization.

445305023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 445305023 is about 21102.2516097217. The cubic root of 445305023 is about 763.6350690613.

Adding to 445305023 its reverse (320503544), we get a palindrome (765808567).

The spelling of 445305023 in words is "four hundred forty-five million, three hundred five thousand, twenty-three".