223421330423 has 2 divisors, whose sum is σ = 223421330424. Its totient is φ = 223421330422.

The previous prime is 223421330339. The next prime is 223421330437. The reversal of 223421330423 is 324033124322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223421330423 - 2¹⁰ = 223421329399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223423330423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111710665211 + 111710665212.

It is an arithmetic number, because the mean of its divisors is an integer number (111710665212).

Almost surely, 2^223421330423 is an apocalyptic number.

223421330423 is a deficient number, since it is larger than the sum of its proper divisors (1).

223421330423 is an equidigital number, since it uses as much as digits as its factorization.

223421330423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 223421330423 its reverse (324033124322), we get a palindrome (547454454745).

The spelling of 223421330423 in words is "two hundred twenty-three billion, four hundred twenty-one million, three hundred thirty thousand, four hundred twenty-three".