445673023 has 2 divisors, whose sum is σ = 445673024. Its totient is φ = 445673022.

The previous prime is 445673009. The next prime is 445673051. The reversal of 445673023 is 320376544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445673023 - 2²¹ = 443575871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 445673023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445673623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222836511 + 222836512.

It is an arithmetic number, because the mean of its divisors is an integer number (222836512).

Almost surely, 2^445673023 is an apocalyptic number.

445673023 is a deficient number, since it is larger than the sum of its proper divisors (1).

445673023 is an equidigital number, since it uses as much as digits as its factorization.

445673023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 445673023 is about 21110.9692577106. The cubic root of 445673023 is about 763.8453671083.

The spelling of 445673023 in words is "four hundred forty-five million, six hundred seventy-three thousand, twenty-three".