1131624223 has 2 divisors, whose sum is σ = 1131624224. Its totient is φ = 1131624222.

The previous prime is 1131624191. The next prime is 1131624233. The reversal of 1131624223 is 3224261311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1131624223 - 2⁵ = 1131624191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131624233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565812111 + 565812112.

It is an arithmetic number, because the mean of its divisors is an integer number (565812112).

Almost surely, 2^1131624223 is an apocalyptic number.

1131624223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131624223 is an equidigital number, since it uses as much as digits as its factorization.

1131624223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 1131624223 is about 33639.6228129865. The cubic root of 1131624223 is about 1042.0792423185.

Adding to 1131624223 its reverse (3224261311), we get a palindrome (4355885534).

The spelling of 1131624223 in words is "one billion, one hundred thirty-one million, six hundred twenty-four thousand, two hundred twenty-three".