1131056323 has 2 divisors, whose sum is σ = 1131056324. Its totient is φ = 1131056322.

The previous prime is 1131056321. The next prime is 1131056357. The reversal of 1131056323 is 3236501311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1131056323 - 2¹ = 1131056321 is a prime.

Together with 1131056321, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1131056321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565528161 + 565528162.

It is an arithmetic number, because the mean of its divisors is an integer number (565528162).

Almost surely, 2^1131056323 is an apocalyptic number.

1131056323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131056323 is an equidigital number, since it uses as much as digits as its factorization.

1131056323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 1131056323 is about 33631.1808148331. The cubic root of 1131056323 is about 1041.9048923845.

Adding to 1131056323 its reverse (3236501311), we get a palindrome (4367557634).

The spelling of 1131056323 in words is "one billion, one hundred thirty-one million, fifty-six thousand, three hundred twenty-three".