611430223 has 2 divisors, whose sum is σ = 611430224. Its totient is φ = 611430222.

The previous prime is 611430199. The next prime is 611430233. The reversal of 611430223 is 322034116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 611430223 - 2²⁵ = 577875791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 611430194 and 611430203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611430233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305715111 + 305715112.

It is an arithmetic number, because the mean of its divisors is an integer number (305715112).

Almost surely, 2^611430223 is an apocalyptic number.

611430223 is a deficient number, since it is larger than the sum of its proper divisors (1).

611430223 is an equidigital number, since it uses as much as digits as its factorization.

611430223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 611430223 is about 24727.1151370313. The cubic root of 611430223 is about 848.7549120221.

Adding to 611430223 its reverse (322034116), we get a palindrome (933464339).

The spelling of 611430223 in words is "six hundred eleven million, four hundred thirty thousand, two hundred twenty-three".