947464123 has 2 divisors, whose sum is σ = 947464124. Its totient is φ = 947464122.

The previous prime is 947464109. The next prime is 947464151. The reversal of 947464123 is 321464749.

It is a weak prime.

It is an emirp because it is prime and its reverse (321464749) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-947464123 is a prime.

It is not a weakly prime, because it can be changed into another prime (947464523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473732061 + 473732062.

It is an arithmetic number, because the mean of its divisors is an integer number (473732062).

Almost surely, 2^947464123 is an apocalyptic number.

947464123 is a deficient number, since it is larger than the sum of its proper divisors (1).

947464123 is an equidigital number, since it uses as much as digits as its factorization.

947464123 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 947464123 is about 30780.9051686269. The cubic root of 947464123 is about 982.1720955970.

The spelling of 947464123 in words is "nine hundred forty-seven million, four hundred sixty-four thousand, one hundred twenty-three".