1105422523 has 4 divisors (see below), whose sum is σ = 1107041688. Its totient is φ = 1103803360.

The previous prime is 1105422509. The next prime is 1105422553. The reversal of 1105422523 is 3252245011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3252245011 = 23 ⋅141401957.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1105422523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105422553) 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, 808558 + ... + 809923.

It is an arithmetic number, because the mean of its divisors is an integer number (276760422).

Almost surely, 2^1105422523 is an apocalyptic number.

1105422523 is a deficient number, since it is larger than the sum of its proper divisors (1619165).

1105422523 is an equidigital number, since it uses as much as digits as its factorization.

1105422523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619164.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1105422523 is about 33247.8950160758. The cubic root of 1105422523 is about 1033.9735669483.

Adding to 1105422523 its reverse (3252245011), we get a palindrome (4357667534).

The spelling of 1105422523 in words is "one billion, one hundred five million, four hundred twenty-two thousand, five hundred twenty-three".