223768897 has 4 divisors (see below), whose sum is σ = 244111536. Its totient is φ = 203426260.

The previous prime is 223768891. The next prime is 223768903. The reversal of 223768897 is 798867322.

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 (223768891) and next prime (223768903).

It is a cyclic number.

It is not a de Polignac number, because 223768897 - 2²⁷ = 89551169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223768891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10171303 + ... + 10171324.

It is an arithmetic number, because the mean of its divisors is an integer number (61027884).

Almost surely, 2^223768897 is an apocalyptic number.

It is an amenable number.

223768897 is a deficient number, since it is larger than the sum of its proper divisors (20342639).

223768897 is a wasteful number, since it uses less digits than its factorization.

223768897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20342638.

The product of its digits is 2032128, while the sum is 52.

The square root of 223768897 is about 14958.9069453620. The cubic root of 223768897 is about 607.1088639291.

The spelling of 223768897 in words is "two hundred twenty-three million, seven hundred sixty-eight thousand, eight hundred ninety-seven".