8457223403 has 4 divisors (see below), whose sum is σ = 8466426960. Its totient is φ = 8448019848.

The previous prime is 8457223391. The next prime is 8457223417. The reversal of 8457223403 is 3043227548.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8457223403 - 2⁴ = 8457223387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8457223483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4600400 + ... + 4602237.

It is an arithmetic number, because the mean of its divisors is an integer number (2116606740).

Almost surely, 2^8457223403 is an apocalyptic number.

8457223403 is a deficient number, since it is larger than the sum of its proper divisors (9203557).

8457223403 is an equidigital number, since it uses as much as digits as its factorization.

8457223403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9203556.

The product of its (nonzero) digits is 161280, while the sum is 38.

The square root of 8457223403 is about 91963.1632937885. The cubic root of 8457223403 is about 2037.3982758654.

The spelling of 8457223403 in words is "eight billion, four hundred fifty-seven million, two hundred twenty-three thousand, four hundred three".