1136431523 has 2 divisors, whose sum is σ = 1136431524. Its totient is φ = 1136431522.

The previous prime is 1136431463. The next prime is 1136431529. The reversal of 1136431523 is 3251346311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1136431523 - 2²⁶ = 1069322659 is a prime.

It is not a weakly prime, because it can be changed into another prime (1136431529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568215761 + 568215762.

It is an arithmetic number, because the mean of its divisors is an integer number (568215762).

Almost surely, 2^1136431523 is an apocalyptic number.

1136431523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1136431523 is an equidigital number, since it uses as much as digits as its factorization.

1136431523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

The square root of 1136431523 is about 33711.0000296639. Note that the first 4 decimals coincide. The cubic root of 1136431523 is about 1043.5527910821.

Adding to 1136431523 its reverse (3251346311), we get a palindrome (4387777834).

The spelling of 1136431523 in words is "one billion, one hundred thirty-six million, four hundred thirty-one thousand, five hundred twenty-three".