1101132523 has 4 divisors (see below), whose sum is σ = 1139102640. Its totient is φ = 1063162408.

The previous prime is 1101132491. The next prime is 1101132553. The reversal of 1101132523 is 3252311011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1101132523 - 2⁵ = 1101132491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1101132523.

It is not an unprimeable number, because it can be changed into a prime (1101132553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18985015 + ... + 18985072.

It is an arithmetic number, because the mean of its divisors is an integer number (284775660).

Almost surely, 2^1101132523 is an apocalyptic number.

1101132523 is a deficient number, since it is larger than the sum of its proper divisors (37970117).

1101132523 is an equidigital number, since it uses as much as digits as its factorization.

1101132523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37970116.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1101132523 is about 33183.3169378831. The cubic root of 1101132523 is about 1032.6342609070.

Adding to 1101132523 its reverse (3252311011), we get a palindrome (4353443534).

It can be divided in two parts, 11011 and 32523, that added together give a palindrome (43534).

The spelling of 1101132523 in words is "one billion, one hundred one million, one hundred thirty-two thousand, five hundred twenty-three".