8457923 has 2 divisors, whose sum is σ = 8457924. Its totient is φ = 8457922.

The previous prime is 8457901. The next prime is 8457973. The reversal of 8457923 is 3297548.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8457923 - 2¹⁴ = 8441539 is a prime.

It is a super-2 number, since 2×8457923² = 143072922947858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8457973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4228961 + 4228962.

It is an arithmetic number, because the mean of its divisors is an integer number (4228962).

Almost surely, 2^8457923 is an apocalyptic number.

8457923 is a deficient number, since it is larger than the sum of its proper divisors (1).

8457923 is an equidigital number, since it uses as much as digits as its factorization.

8457923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 8457923 is about 2908.2508488781. The cubic root of 8457923 is about 203.7454453421.

The spelling of 8457923 in words is "eight million, four hundred fifty-seven thousand, nine hundred twenty-three".