447233923 has 4 divisors (see below), whose sum is σ = 451844680. Its totient is φ = 442623168.

The previous prime is 447233903. The next prime is 447233933. The reversal of 447233923 is 329332744.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-447233923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447233903) 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, 2305233 + ... + 2305426.

It is an arithmetic number, because the mean of its divisors is an integer number (112961170).

Almost surely, 2^447233923 is an apocalyptic number.

447233923 is a deficient number, since it is larger than the sum of its proper divisors (4610757).

447233923 is an equidigital number, since it uses as much as digits as its factorization.

447233923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4610756.

The product of its digits is 108864, while the sum is 37.

The square root of 447233923 is about 21147.9058774149. The cubic root of 447233923 is about 764.7360776682.

The spelling of 447233923 in words is "four hundred forty-seven million, two hundred thirty-three thousand, nine hundred twenty-three".