1154424223 has 2 divisors, whose sum is σ = 1154424224. Its totient is φ = 1154424222.

The previous prime is 1154424209. The next prime is 1154424241. The reversal of 1154424223 is 3224244511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1154424223 - 2²⁵ = 1120869791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1154424191 and 1154424200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1154424203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577212111 + 577212112.

It is an arithmetic number, because the mean of its divisors is an integer number (577212112).

Almost surely, 2^1154424223 is an apocalyptic number.

1154424223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154424223 is an equidigital number, since it uses as much as digits as its factorization.

1154424223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 28.

The square root of 1154424223 is about 33976.8189064250. The cubic root of 1154424223 is about 1049.0313736848.

Adding to 1154424223 its reverse (3224244511), we get a palindrome (4378668734).

The spelling of 1154424223 in words is "one billion, one hundred fifty-four million, four hundred twenty-four thousand, two hundred twenty-three".