1223029983 has 16 divisors (see below), whose sum is σ = 1886121216. Its totient is φ = 690453120.

The previous prime is 1223029979. The next prime is 1223029987. The reversal of 1223029983 is 3899203221.

It is an interprime number because it is at equal distance from previous prime (1223029979) and next prime (1223029987).

It is not a de Polignac number, because 1223029983 - 2² = 1223029979 is a prime.

It is a super-3 number, since 3×1223029983³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223029987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349098 + ... + 352583.

It is an arithmetic number, because the mean of its divisors is an integer number (117882576).

Almost surely, 2^1223029983 is an apocalyptic number.

1223029983 is a deficient number, since it is larger than the sum of its proper divisors (663091233).

1223029983 is an equidigital number, since it uses as much as digits as its factorization.

1223029983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701774.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 1223029983 is about 34971.8455761202. The cubic root of 1223029983 is about 1069.4135963494.

The spelling of 1223029983 in words is "one billion, two hundred twenty-three million, twenty-nine thousand, nine hundred eighty-three".