1145427223 has 2 divisors, whose sum is σ = 1145427224. Its totient is φ = 1145427222.

The previous prime is 1145427203. The next prime is 1145427251. The reversal of 1145427223 is 3227245411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1145427223 - 2²⁵ = 1111872791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145427203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572713611 + 572713612.

It is an arithmetic number, because the mean of its divisors is an integer number (572713612).

Almost surely, 2^1145427223 is an apocalyptic number.

1145427223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145427223 is an equidigital number, since it uses as much as digits as its factorization.

1145427223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 31.

The square root of 1145427223 is about 33844.1608405350. The cubic root of 1145427223 is about 1046.2990561414.

The spelling of 1145427223 in words is "one billion, one hundred forty-five million, four hundred twenty-seven thousand, two hundred twenty-three".