223012457 has 2 divisors, whose sum is σ = 223012458. Its totient is φ = 223012456.

The previous prime is 223012417. The next prime is 223012459. The reversal of 223012457 is 754210322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221980201 + 1032256 = 14899^2 + 1016^2 .

It is a cyclic number.

It is not a de Polignac number, because 223012457 - 2¹⁶ = 222946921 is a prime.

Together with 223012459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (223012459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111506228 + 111506229.

It is an arithmetic number, because the mean of its divisors is an integer number (111506229).

Almost surely, 2^223012457 is an apocalyptic number.

It is an amenable number.

223012457 is a deficient number, since it is larger than the sum of its proper divisors (1).

223012457 is an equidigital number, since it uses as much as digits as its factorization.

223012457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 223012457 is about 14933.6016084533. The cubic root of 223012457 is about 606.4239908443.

Adding to 223012457 its reverse (754210322), we get a palindrome (977222779).

The spelling of 223012457 in words is "two hundred twenty-three million, twelve thousand, four hundred fifty-seven".