1455213223 has 2 divisors, whose sum is σ = 1455213224. Its totient is φ = 1455213222.

The previous prime is 1455213203. The next prime is 1455213233. The reversal of 1455213223 is 3223125541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1455213223 - 2¹⁷ = 1455082151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1455213191 and 1455213200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1455213203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727606611 + 727606612.

It is an arithmetic number, because the mean of its divisors is an integer number (727606612).

Almost surely, 2^1455213223 is an apocalyptic number.

1455213223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1455213223 is an equidigital number, since it uses as much as digits as its factorization.

1455213223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 28.

The square root of 1455213223 is about 38147.2570835702. The cubic root of 1455213223 is about 1133.2060316549.

Adding to 1455213223 its reverse (3223125541), we get a palindrome (4678338764).

The spelling of 1455213223 in words is "one billion, four hundred fifty-five million, two hundred thirteen thousand, two hundred twenty-three".