1223050523 has 4 divisors (see below), whose sum is σ = 1234271280. Its totient is φ = 1211829768.

The previous prime is 1223050519. The next prime is 1223050529. The reversal of 1223050523 is 3250503221.

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 1223050523 - 2² = 1223050519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223050529) 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, 5610215 + ... + 5610432.

It is an arithmetic number, because the mean of its divisors is an integer number (308567820).

Almost surely, 2^1223050523 is an apocalyptic number.

1223050523 is a deficient number, since it is larger than the sum of its proper divisors (11220757).

1223050523 is a wasteful number, since it uses less digits than its factorization.

1223050523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11220756.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 1223050523 is about 34972.1392396862. The cubic root of 1223050523 is about 1069.4195830199.

Adding to 1223050523 its reverse (3250503221), we get a palindrome (4473553744).

The spelling of 1223050523 in words is "one billion, two hundred twenty-three million, fifty thousand, five hundred twenty-three".