1223942073 has 8 divisors (see below), whose sum is σ = 1632483936. Its totient is φ = 815680800.

The previous prime is 1223942059. The next prime is 1223942089. The reversal of 1223942073 is 3702493221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1223942073 - 2²⁴ = 1207164857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223942273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59748 + ... + 77573.

It is an arithmetic number, because the mean of its divisors is an integer number (204060492).

Almost surely, 2^1223942073 is an apocalyptic number.

It is an amenable number.

1223942073 is a deficient number, since it is larger than the sum of its proper divisors (408541863).

1223942073 is a wasteful number, since it uses less digits than its factorization.

1223942073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140295.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 1223942073 is about 34984.8834927315. The cubic root of 1223942073 is about 1069.6793731738.

The spelling of 1223942073 in words is "one billion, two hundred twenty-three million, nine hundred forty-two thousand, seventy-three".