1163109523 has 2 divisors, whose sum is σ = 1163109524. Its totient is φ = 1163109522.

The previous prime is 1163109503. The next prime is 1163109533. The reversal of 1163109523 is 3259013611.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1163109523 - 2¹⁷ = 1162978451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1163109503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581554761 + 581554762.

It is an arithmetic number, because the mean of its divisors is an integer number (581554762).

Almost surely, 2^1163109523 is an apocalyptic number.

1163109523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163109523 is an equidigital number, since it uses as much as digits as its factorization.

1163109523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 1163109523 is about 34104.3915500629. The cubic root of 1163109523 is about 1051.6555961651.

The spelling of 1163109523 in words is "one billion, one hundred sixty-three million, one hundred nine thousand, five hundred twenty-three".