947492423 has 2 divisors, whose sum is σ = 947492424. Its totient is φ = 947492422.

The previous prime is 947492389. The next prime is 947492449. The reversal of 947492423 is 324294749.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 947492423 - 2⁸ = 947492167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (947492453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473746211 + 473746212.

It is an arithmetic number, because the mean of its divisors is an integer number (473746212).

Almost surely, 2^947492423 is an apocalyptic number.

947492423 is a deficient number, since it is larger than the sum of its proper divisors (1).

947492423 is an equidigital number, since it uses as much as digits as its factorization.

947492423 is an evil number, because the sum of its binary digits is even.

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

The square root of 947492423 is about 30781.3648657755. The cubic root of 947492423 is about 982.1818743995.

The spelling of 947492423 in words is "nine hundred forty-seven million, four hundred ninety-two thousand, four hundred twenty-three".