1223333345679 has 16 divisors (see below), whose sum is σ = 1675121886720. Its totient is φ = 793744064960.

The previous prime is 1223333345657. The next prime is 1223333345719. The reversal of 1223333345679 is 9765433333221.

It is a cyclic number.

It is not a de Polignac number, because 1223333345679 - 2¹³ = 1223333337487 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223333345609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24209742 + ... + 24260219.

It is an arithmetic number, because the mean of its divisors is an integer number (104695117920).

Almost surely, 2^{1223333345679} is an apocalyptic number.

1223333345679 is a deficient number, since it is larger than the sum of its proper divisors (451788541041).

1223333345679 is a wasteful number, since it uses less digits than its factorization.

1223333345679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48470190.

The product of its digits is 7348320, while the sum is 51.

The spelling of 1223333345679 in words is "one trillion, two hundred twenty-three billion, three hundred thirty-three million, three hundred forty-five thousand, six hundred seventy-nine".