447253123 has 2 divisors, whose sum is σ = 447253124. Its totient is φ = 447253122.

The previous prime is 447253111. The next prime is 447253127. The reversal of 447253123 is 321352744.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-447253123 is a prime.

It is equal to p_23715049 and since 447253123 and 23715049 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (447253127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223626561 + 223626562.

It is an arithmetic number, because the mean of its divisors is an integer number (223626562).

Almost surely, 2^447253123 is an apocalyptic number.

447253123 is a deficient number, since it is larger than the sum of its proper divisors (1).

447253123 is an equidigital number, since it uses as much as digits as its factorization.

447253123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 31.

The square root of 447253123 is about 21148.3598181987. The cubic root of 447253123 is about 764.7470210261.

The spelling of 447253123 in words is "four hundred forty-seven million, two hundred fifty-three thousand, one hundred twenty-three".