477540923 has 2 divisors, whose sum is σ = 477540924. Its totient is φ = 477540922.

The previous prime is 477540919. The next prime is 477540949. The reversal of 477540923 is 329045774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 477540923 - 2² = 477540919 is a prime.

It is not a weakly prime, because it can be changed into another prime (477540953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238770461 + 238770462.

It is an arithmetic number, because the mean of its divisors is an integer number (238770462).

Almost surely, 2^477540923 is an apocalyptic number.

477540923 is a deficient number, since it is larger than the sum of its proper divisors (1).

477540923 is an equidigital number, since it uses as much as digits as its factorization.

477540923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 477540923 is about 21852.7097404418. The cubic root of 477540923 is about 781.6341604820.

The spelling of 477540923 in words is "four hundred seventy-seven million, five hundred forty thousand, nine hundred twenty-three".