473023987 has 2 divisors, whose sum is σ = 473023988. Its totient is φ = 473023986.

The previous prime is 473023979. The next prime is 473024033. The reversal of 473023987 is 789320374.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 473023987 - 2³ = 473023979 is a prime.

It is not a weakly prime, because it can be changed into another prime (473023907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236511993 + 236511994.

It is an arithmetic number, because the mean of its divisors is an integer number (236511994).

Almost surely, 2^473023987 is an apocalyptic number.

473023987 is a deficient number, since it is larger than the sum of its proper divisors (1).

473023987 is an equidigital number, since it uses as much as digits as its factorization.

473023987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 473023987 is about 21749.1146256578. The cubic root of 473023987 is about 779.1619241948.

The spelling of 473023987 in words is "four hundred seventy-three million, twenty-three thousand, nine hundred eighty-seven".