447423023 has 4 divisors (see below), whose sum is σ = 447975528. Its totient is φ = 446870520.

The previous prime is 447422999. The next prime is 447423121. The reversal of 447423023 is 320324744.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 447423023 - 2⁶ = 447422959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447420023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275036 + ... + 276657.

It is an arithmetic number, because the mean of its divisors is an integer number (111993882).

Almost surely, 2^447423023 is an apocalyptic number.

447423023 is a deficient number, since it is larger than the sum of its proper divisors (552505).

447423023 is an equidigital number, since it uses as much as digits as its factorization.

447423023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552504.

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 447423023 is about 21152.3762967663. The cubic root of 447423023 is about 764.8438446987.

Adding to 447423023 its reverse (320324744), we get a palindrome (767747767).

The spelling of 447423023 in words is "four hundred forty-seven million, four hundred twenty-three thousand, twenty-three".