470720923 has 2 divisors, whose sum is σ = 470720924. Its totient is φ = 470720922.

The previous prime is 470720909. The next prime is 470720977. The reversal of 470720923 is 329027074.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 470720923 - 2⁵ = 470720891 is a prime.

It is not a weakly prime, because it can be changed into another prime (470720023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235360461 + 235360462.

It is an arithmetic number, because the mean of its divisors is an integer number (235360462).

Almost surely, 2^470720923 is an apocalyptic number.

470720923 is a deficient number, since it is larger than the sum of its proper divisors (1).

470720923 is an equidigital number, since it uses as much as digits as its factorization.

470720923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 470720923 is about 21696.1038668236. The cubic root of 470720923 is about 777.8953358716.

Adding to 470720923 its reverse (329027074), we get a palindrome (799747997).

The spelling of 470720923 in words is "four hundred seventy million, seven hundred twenty thousand, nine hundred twenty-three".