447929423 has 2 divisors, whose sum is σ = 447929424. Its totient is φ = 447929422.

The previous prime is 447929369. The next prime is 447929429. The reversal of 447929423 is 324929744.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 447929423 - 2¹⁰ = 447928399 is a prime.

It is a super-2 number, since 2×447929423² = 401281535978225858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447929429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223964711 + 223964712.

It is an arithmetic number, because the mean of its divisors is an integer number (223964712).

Almost surely, 2^447929423 is an apocalyptic number.

447929423 is a deficient number, since it is larger than the sum of its proper divisors (1).

447929423 is an equidigital number, since it uses as much as digits as its factorization.

447929423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 44.

The square root of 447929423 is about 21164.3431979355. The cubic root of 447929423 is about 765.1322897654.

The spelling of 447929423 in words is "four hundred forty-seven million, nine hundred twenty-nine thousand, four hundred twenty-three".