1223540183 has 2 divisors, whose sum is σ = 1223540184. Its totient is φ = 1223540182.

The previous prime is 1223540179. The next prime is 1223540221. The reversal of 1223540183 is 3810453221.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3810453221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1223540183 - 2² = 1223540179 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223540173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611770091 + 611770092.

It is an arithmetic number, because the mean of its divisors is an integer number (611770092).

Almost surely, 2^1223540183 is an apocalyptic number.

1223540183 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223540183 is an equidigital number, since it uses as much as digits as its factorization.

1223540183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1223540183 is about 34979.1392547044. The cubic root of 1223540183 is about 1069.5622814382.

The spelling of 1223540183 in words is "one billion, two hundred twenty-three million, five hundred forty thousand, one hundred eighty-three".