1135535023 has 4 divisors (see below), whose sum is σ = 1297754320. Its totient is φ = 973315728.

The previous prime is 1135534987. The next prime is 1135535029. The reversal of 1135535023 is 3205355311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3205355311 = 269 ⋅11915819.

It is not a de Polignac number, because 1135535023 - 2²⁹ = 598664111 is a prime.

It is a super-2 number, since 2×1135535023² = 2578879576919221058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1135534982 and 1135535000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135535029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81109638 + ... + 81109651.

It is an arithmetic number, because the mean of its divisors is an integer number (324438580).

Almost surely, 2^1135535023 is an apocalyptic number.

1135535023 is a deficient number, since it is larger than the sum of its proper divisors (162219297).

1135535023 is an equidigital number, since it uses as much as digits as its factorization.

1135535023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162219296.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 1135535023 is about 33697.7005595337. The cubic root of 1135535023 is about 1043.2783087296.

The spelling of 1135535023 in words is "one billion, one hundred thirty-five million, five hundred thirty-five thousand, twenty-three".