1151344223 has 2 divisors, whose sum is σ = 1151344224. Its totient is φ = 1151344222.

The previous prime is 1151344217. The next prime is 1151344241. The reversal of 1151344223 is 3224431511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1151344223 - 2²⁶ = 1084235359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1151344192 and 1151344201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151344213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575672111 + 575672112.

It is an arithmetic number, because the mean of its divisors is an integer number (575672112).

Almost surely, 2^1151344223 is an apocalyptic number.

1151344223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151344223 is an equidigital number, since it uses as much as digits as its factorization.

1151344223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 26.

The square root of 1151344223 is about 33931.4636141738. The cubic root of 1151344223 is about 1048.0976053524.

Adding to 1151344223 its reverse (3224431511), we get a palindrome (4375775734).

The spelling of 1151344223 in words is "one billion, one hundred fifty-one million, three hundred forty-four thousand, two hundred twenty-three".