223847697 has 4 divisors (see below), whose sum is σ = 298463600. Its totient is φ = 149231796.

The previous prime is 223847681. The next prime is 223847713. The reversal of 223847697 is 796748322.

223847697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (223847681) and next prime (223847713).

It is not a de Polignac number, because 223847697 - 2⁴ = 223847681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223847677) 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, 37307947 + ... + 37307952.

It is an arithmetic number, because the mean of its divisors is an integer number (74615900).

Almost surely, 2^223847697 is an apocalyptic number.

It is an amenable number.

223847697 is a deficient number, since it is larger than the sum of its proper divisors (74615903).

223847697 is an equidigital number, since it uses as much as digits as its factorization.

223847697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74615902.

The product of its digits is 1016064, while the sum is 48.

The square root of 223847697 is about 14961.5405958076. The cubic root of 223847697 is about 607.1801198313.

The spelling of 223847697 in words is "two hundred twenty-three million, eight hundred forty-seven thousand, six hundred ninety-seven".