947283223 has 2 divisors, whose sum is σ = 947283224. Its totient is φ = 947283222.

The previous prime is 947283199. The next prime is 947283251. The reversal of 947283223 is 322382749.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 947283223 - 2⁹ = 947282711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (947223223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473641611 + 473641612.

It is an arithmetic number, because the mean of its divisors is an integer number (473641612).

Almost surely, 2^947283223 is an apocalyptic number.

947283223 is a deficient number, since it is larger than the sum of its proper divisors (1).

947283223 is an equidigital number, since it uses as much as digits as its factorization.

947283223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 40.

The square root of 947283223 is about 30777.9665182741. The cubic root of 947283223 is about 982.1095826790.

The spelling of 947283223 in words is "nine hundred forty-seven million, two hundred eighty-three thousand, two hundred twenty-three".