1223753163 has 4 divisors (see below), whose sum is σ = 1631670888. Its totient is φ = 815835440.

The previous prime is 1223753123. The next prime is 1223753183. The reversal of 1223753163 is 3613573221.

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 1223753163 - 2¹³ = 1223744971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223753123) 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, 203958858 + ... + 203958863.

It is an arithmetic number, because the mean of its divisors is an integer number (407917722).

Almost surely, 2^1223753163 is an apocalyptic number.

1223753163 is a deficient number, since it is larger than the sum of its proper divisors (407917725).

1223753163 is an equidigital number, since it uses as much as digits as its factorization.

1223753163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407917724.

The product of its digits is 22680, while the sum is 33.

The square root of 1223753163 is about 34982.1835081803. The cubic root of 1223753163 is about 1069.6243369287.

The spelling of 1223753163 in words is "one billion, two hundred twenty-three million, seven hundred fifty-three thousand, one hundred sixty-three".