1105231523 has 16 divisors (see below), whose sum is σ = 1277700480. Its totient is φ = 944860800.

The previous prime is 1105231469. The next prime is 1105231529. The reversal of 1105231523 is 3251325011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1105231523 - 2¹² = 1105227427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105231529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374588 + ... + 377526.

It is an arithmetic number, because the mean of its divisors is an integer number (79856280).

Almost surely, 2^1105231523 is an apocalyptic number.

1105231523 is a deficient number, since it is larger than the sum of its proper divisors (172468957).

1105231523 is a wasteful number, since it uses less digits than its factorization.

1105231523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4978.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1105231523 is about 33245.0225296961. The cubic root of 1105231523 is about 1033.9140119448.

Adding to 1105231523 its reverse (3251325011), we get a palindrome (4356556534).

The spelling of 1105231523 in words is "one billion, one hundred five million, two hundred thirty-one thousand, five hundred twenty-three".