455143147223 has 2 divisors, whose sum is σ = 455143147224. Its totient is φ = 455143147222.

The previous prime is 455143147171. The next prime is 455143147241. The reversal of 455143147223 is 322741341554.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455143147223 is a prime.

It is a super-2 number, since 2×455143147223² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455143144223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227571573611 + 227571573612.

It is an arithmetic number, because the mean of its divisors is an integer number (227571573612).

Almost surely, 2^455143147223 is an apocalyptic number.

455143147223 is a deficient number, since it is larger than the sum of its proper divisors (1).

455143147223 is an equidigital number, since it uses as much as digits as its factorization.

455143147223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 41.

Adding to 455143147223 its reverse (322741341554), we get a palindrome (777884488777).

The spelling of 455143147223 in words is "four hundred fifty-five billion, one hundred forty-three million, one hundred forty-seven thousand, two hundred twenty-three".