223421413 has 2 divisors, whose sum is σ = 223421414. Its totient is φ = 223421412.

The previous prime is 223421389. The next prime is 223421431. The reversal of 223421413 is 314124322.

223421413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (223421431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223293249 + 128164 = 14943^2 + 358^2 .

It is a cyclic number.

It is not a de Polignac number, because 223421413 - 2¹³ = 223413221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223421813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111710706 + 111710707.

It is an arithmetic number, because the mean of its divisors is an integer number (111710707).

Almost surely, 2^223421413 is an apocalyptic number.

It is an amenable number.

223421413 is a deficient number, since it is larger than the sum of its proper divisors (1).

223421413 is an equidigital number, since it uses as much as digits as its factorization.

223421413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 22.

The square root of 223421413 is about 14947.2878141822. The cubic root of 223421413 is about 606.7944474161.

Adding to 223421413 its reverse (314124322), we get a palindrome (537545735).

The spelling of 223421413 in words is "two hundred twenty-three million, four hundred twenty-one thousand, four hundred thirteen".