1128456523 has 2 divisors, whose sum is σ = 1128456524. Its totient is φ = 1128456522.

The previous prime is 1128456517. The next prime is 1128456529. The reversal of 1128456523 is 3256548211.

It is a balanced prime because it is at equal distance from previous prime (1128456517) and next prime (1128456529).

It is a cyclic number.

It is not a de Polignac number, because 1128456523 - 2⁵ = 1128456491 is a prime.

It is not a weakly prime, because it can be changed into another prime (1128456529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564228261 + 564228262.

It is an arithmetic number, because the mean of its divisors is an integer number (564228262).

Almost surely, 2^1128456523 is an apocalyptic number.

1128456523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128456523 is an equidigital number, since it uses as much as digits as its factorization.

1128456523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 37.

The square root of 1128456523 is about 33592.5069472345. The cubic root of 1128456523 is about 1041.1059865765.

The spelling of 1128456523 in words is "one billion, one hundred twenty-eight million, four hundred fifty-six thousand, five hundred twenty-three".