456211223140223 has 2 divisors, whose sum is σ = 456211223140224. Its totient is φ = 456211223140222.

The previous prime is 456211223140093. The next prime is 456211223140229. The reversal of 456211223140223 is 322041322112654.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-456211223140223 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456211223140229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228105611570111 + 228105611570112.

It is an arithmetic number, because the mean of its divisors is an integer number (228105611570112).

Almost surely, 2^{456211223140223} is an apocalyptic number.

456211223140223 is a deficient number, since it is larger than the sum of its proper divisors (1).

456211223140223 is an equidigital number, since it uses as much as digits as its factorization.

456211223140223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 456211223140223 its reverse (322041322112654), we get a palindrome (778252545252877).

The spelling of 456211223140223 in words is "four hundred fifty-six trillion, two hundred eleven billion, two hundred twenty-three million, one hundred forty thousand, two hundred twenty-three".