473523893 has 2 divisors, whose sum is σ = 473523894. Its totient is φ = 473523892.

The previous prime is 473523887. The next prime is 473523943. The reversal of 473523893 is 398325374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 407313124 + 66210769 = 20182^2 + 8137^2 .

It is a cyclic number.

It is not a de Polignac number, because 473523893 - 2¹⁰ = 473522869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473523823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236761946 + 236761947.

It is an arithmetic number, because the mean of its divisors is an integer number (236761947).

Almost surely, 2^473523893 is an apocalyptic number.

It is an amenable number.

473523893 is a deficient number, since it is larger than the sum of its proper divisors (1).

473523893 is an equidigital number, since it uses as much as digits as its factorization.

473523893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 44.

The square root of 473523893 is about 21760.6041506205. The cubic root of 473523893 is about 779.4363081567.

The spelling of 473523893 in words is "four hundred seventy-three million, five hundred twenty-three thousand, eight hundred ninety-three".