223354446407 has 2 divisors, whose sum is σ = 223354446408. Its totient is φ = 223354446406.

The previous prime is 223354446389. The next prime is 223354446409. The reversal of 223354446407 is 704644453322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223354446407 - 2⁸ = 223354446151 is a prime.

Together with 223354446409, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223354446409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111677223203 + 111677223204.

It is an arithmetic number, because the mean of its divisors is an integer number (111677223204).

Almost surely, 2^223354446407 is an apocalyptic number.

223354446407 is a deficient number, since it is larger than the sum of its proper divisors (1).

223354446407 is an equidigital number, since it uses as much as digits as its factorization.

223354446407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 44.

Adding to 223354446407 its reverse (704644453322), we get a palindrome (927998899729).

The spelling of 223354446407 in words is "two hundred twenty-three billion, three hundred fifty-four million, four hundred forty-six thousand, four hundred seven".